CN105089141B - Sponge community rainwater comprehensive utilization system and Application way - Google Patents

Sponge community rainwater comprehensive utilization system and Application way Download PDF

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Publication number
CN105089141B
CN105089141B CN201510463890.4A CN201510463890A CN105089141B CN 105089141 B CN105089141 B CN 105089141B CN 201510463890 A CN201510463890 A CN 201510463890A CN 105089141 B CN105089141 B CN 105089141B
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rainwater
early
stage
water
storage tank
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CN105089141A (en
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陈庆锋
马君健
赵长盛
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Shandong Analysis and Test Center
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Shandong Analysis and Test Center
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    • 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
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The sponge community rainwater comprehensive utilization system of the present invention, including hydrocone type introduction of Roof Rainwater Harvesting System, main Storm Sewer Network, early-stage rainwater storage tank, Chu Yuchi and the water pump that draws water, it is characterised by: above and below ground, be respectively arranged with early-stage rainwater storage tank and underground regulating reservoir, under rainwater flows to the effect of governor motion, the early-stage rainwater flowed into by collector pipe can be flowed in early-stage rainwater storage tank, and later stage rainwater is then entered in Chu Yuchi by outlet pipe.The rainwater utilization method of the present invention, including: a). roof early-stage rainwater is collected;B). ground early-stage rainwater is collected;C). early-stage rainwater shunting purifies;D). early-stage rainwater settles;E). the overflow of rainwater;F). the utilization of early-stage rainwater;G). the reuse of rainwater in Chu Yuchi;H). the collection of greenery patches infiltration.The rainwater comprehensive utilization system of the present invention and method, when in early-stage rainwater storage tank, water is full, later stage rainwater is fed directly to Chu Yu pond, underground, it is achieved that early-stage rainwater separates shunting and processes and utilize with later stage rainwater, and beneficial effect is notable, it is simple to popularization and application.

Description

Sponge community rainwater comprehensive utilization system and Application way
Technical field
The present invention relates to a kind of sponge community rainwater comprehensive utilization system and Application way, in particular, particularly relate to A kind of sponge community rainwater comprehensive utilization system that early-stage rainwater and later stage rainwater can be separated process and Application way.
Background technology
Water is Source of life, and under people pursue the ordering about of economic growth and easy life, tellurian water resource is (especially Freshwater resources) consume day by day increase severely, freshwater resources are nonrenewable resources, save, rational utilization of water resources not only with country Sustainable economic development, social stability closely coupled, and closely bound up with the daily life of each citizen.The conjunction of water resource Reason utilizes and saves, and not only relies on the macro policy policy that country formulates, it is achieved the rational deployment of water resource and regulation and control, and The details aspect that people produce, live must also be conceived to, excavate, develop the mode of rational utilization of water resources, method, open up New water source, it is achieved recycling of water resource.
Rainwater is as a kind of important supplement mode of continent surface water, and water quality is preferable, has the most seasonal and does not connects Continuous property.Rainwater drops to farmland, pond, river, lake, can carry out nature moisturizing.And for the community of people's life, due to Roof, ground all use concrete Huo Youbai road to harden, and impermeability surface area increases, and runoff coefficient increases, the flood peak time The generation time is short, and substantial amounts of rainwater is directly discharged in sewer pipe network, and then flows into surrounding body, thus slatterning in vain Precious water resource.In order to comprehensively utilize rainwater resource, it is achieved recycling of rainwater, country proposes sponge city in the recent period Concept, but also lack corresponding technical support.Although there being now the device to roof rain water collecting, but the most not rainwater to the initial stage Processing, pollutant levels and particle content in early-stage rainwater are high, close to sanitary sewage, it is impossible to directly as middle water Reclaim, can not be directly used in flush the toilet, road surface watering.
Summary of the invention
The present invention is for the shortcoming overcoming above-mentioned technical problem, it is provided that a kind of sponge community rainwater comprehensive utilization system and Application way.
The sponge community rainwater comprehensive utilization system of the present invention, including hydrocone type introduction of Roof Rainwater Harvesting System, main rain pipe Net, Chu Yuchi and the water pump that draws water, be provided with for collecting the rainwater that building roof flows down in hydrocone type introduction of Roof Rainwater Harvesting System, Main Storm Sewer Network is for collecting ground and the collector pipe of parking lot shed rain water, and Chu Yu pond is arranged at underground, for only Rainwater after change is kept in;The water pump that draws water is arranged among Chu Yuchi, for being extracted out by the rainwater in Chu Yuchi;Its especially it Place is: be respectively arranged with early-stage rainwater storage tank and underground regulating reservoir, early-stage rainwater storage tank above and below described ground On be provided with the water inlet pipe and outlet pipe being interconnected, collector pipe is connected with water inlet pipe, the outlet of outlet pipe and Chu Yuchi phase Logical;Early-stage rainwater storage tank is provided with rainwater and flows to governor motion and the haydite that early-stage rainwater is purified, at rainwater Flow under the effect of governor motion, collector pipe the early-stage rainwater flowed into can be flowed in early-stage rainwater storage tank, later stage rainwater Then entered in main Storm Sewer Network by outlet pipe;Early-stage rainwater storage tank is provided with for the rainwater of inflow being introduced to bottom pottery The first mozzle in Li;
Underground regulating reservoir is disposed adjacent with Chu Yuchi, and the top of underground regulating reservoir offers the overflow communicated with Chu Yuchi Mouthful, bottom is provided with the haydite purifying rainwater, and main Storm Sewer Network is connected with underground regulating reservoir, sets in the regulating reservoir of underground It is equipped with the second mozzle in haydite bottom the rainwater introducing for flowing in main Storm Sewer Network.
The sponge community rainwater comprehensive utilization system of the present invention, described rainwater flow to governor motion by with water inlet pipe and water outlet Water inlet and the sealing lid matched with water inlet that Guan Jun is connected form, and seal lid and are made up of sealing plate and plastic foam, Plastic foam is arranged on the downside of sealing plate, and sealing plate is fixed on the outer wall of water inlet by axis of rotation;The lower end of water inlet It is provided with annular protrusion, on sealing plate, offers the annular groove matched with annular protrusion;Plastic foam is at rain buoyancy of water Sealing plate can be made under Zuo Yong to press to water inlet, and make annular protrusion embedded rings connected in star realizes the sealing to water inlet.
The sponge community rainwater comprehensive utilization system of the present invention, the lower section of described early-stage rainwater storage tank is provided with draining Pipe, drain pipe is provided with the valve that can control its on off operating mode;Drain pipe will just by extension tube or the open channel communicated therewith Rainwater after processing in phase rainwater storage tank is discharged, and in the case of using open channel, plants and be implanted with water plant in open channel.
The sponge community rainwater comprehensive utilization system of the present invention, the kind that is arranged above in described Chu Yu pond is implanted with a greenery patches for plant, The lower section in greenery patches is water permeability ground, is evenly arranged with some water distributors in the upper layer of soil in greenery patches;Chu Yuchi is provided with Irrigation pump, the outlet of irrigation pump is communicated with water distributor by irrigation pipe network.
The sponge community rainwater comprehensive utilization system of the present invention, described water distributor uniformly offers some apopores, cloth One layer of geotextiles preventing earth from entering water distributor internal cavities it is enclosed with on the outer surface of water pipe.
The rainwater utilization method of the sponge community rainwater comprehensive utilization system of the present invention, it is particular in that, by with Lower step realizes: a). and roof early-stage rainwater is collected, and hydrocone type introduction of Roof Rainwater Harvesting System realizes the efficient collection to rainwater, In the initial stage of precipitation, roof the rainwater collected flows rapidly into collector pipe through siphon principle, the rain in collector pipe Water flows in early-stage rainwater storage tank through water inlet pipe, water inlet, and by the first mozzle by the haydite of rainwater diversion to bottom In, it is achieved the collection to early-stage rainwater;B). ground early-stage rainwater is collected, ground and parking lot the rainwater collected flows into main rain In grid, and flowed in the regulating reservoir of underground by main Storm Sewer Network and the second mozzle;C). early-stage rainwater shunting purifies, originally When in phase rainwater storage tank, the water level of rainwater reaches the top, rainwater flow to governor motion by water inlet close, in collector pipe after Phase rainwater flows in Chu Yuchi through water inlet pipe, outlet pipe successively;Early-stage rainwater in early-stage rainwater storage tank, detests in haydite Oxygen animalcule and aerobic microbiological common effect under, it is achieved purify, early-stage rainwater rainwater storage tank in the early stage stop Time is 3-5 days;D). early-stage rainwater settles, and the early-stage rainwater that ground and parking lot are collected is through main Storm Sewer Network and the second water conservancy diversion After pipe flow enters underground regulating reservoir, earth, solid impurity in rainwater settle under gravity;Meanwhile, in the regulating reservoir of underground Rainwater in haydite under the common effect of anaerobe and aerobic microbiological, it is achieved purified treatment;E). the overflow of rainwater, After rainwater water level in local lower regulating reservoir crosses overfall, can automatically, slowly flow in Chu Yu pond, by Chu Yu pond to rain Water is kept in;F). the utilization of early-stage rainwater, after treating early-stage rainwater rainwater storage tank in the early stage purifies, pass through valve Drain pipe is opened, makes the rainwater in early-stage rainwater storage tank flow in greenery patches by open channel, it is achieved the pouring to plant; G). the reuse of rainwater in Chu Yuchi, the rainwater part in Chu Yuchi in the water pump that draws water is evacuated to middle grid, be available for flushing the toilet, Road surface watering is used;When greenery patches arid, irrigation pump is utilized to be evacuated in water distributor by the rainwater in Chu Yuchi, to realize green The irrigation of plant in ground;H). the collection of greenery patches infiltration, open channel, water distributor or precipitation enter to the moisture in greenery patches, through green After the infiltration on ground below ground, filtration, flow in Chu Yuchi, for recycling.
The invention has the beneficial effects as follows: the sponge community rainwater comprehensive utilization system of the present invention and method, on ground Being provided with early-stage rainwater storage tank, underground is provided with Chu Yuchi and underground regulating reservoir, and the rainwater that roof collects is through hydrocone type After introduction of Roof Rainwater Harvesting System enters early-stage rainwater storage tank, realize clean under the common effect of anaerobic and aerobic microorganism Change, solve the problem that early-stage rainwater can not be purified by existing rain water collecting system.The rainwater of later stage relative clean is then at rain Under the effect of current direction governor motion, flow directly into Chu Yuchi and store, be used for follow-up.The rainwater collected on ground by Main Storm Sewer Network flows into underground regulating reservoir, and realizes sedimentation in the regulating reservoir of underground and purify, it is achieved that the receipts to ground rainwater Collection and purified treatment.The rainwater comprehensive utilization system of the present invention and method, solve existing early-stage rainwater can not be processed, Purify, or the irrational drawback of purified treatment, it is achieved that the comprehensive utilization of rainwater resource, save limited freshwater resources, Beneficial effect is notable, it is simple to popularization and application.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the sponge community rainwater comprehensive utilization system of the present invention;
Fig. 2 is the structural representation of early-stage rainwater storage tank in the present invention;
Fig. 3 is the partial enlarged drawing of a-quadrant in Fig. 2;
Fig. 4 is the structural representation when sealing state of the water inlet in Fig. 3;
Fig. 5 is the structural representation that in the present invention, water distributor matches with irrigation pipe network.
In figure: 1 collector pipe, 2 early-stage rainwater storage tanks, 3 main Storm Sewer Network, 4 underground regulating reservoirs, 5 Chu Yu ponds, 6 irrigation waters Pump, 7 draw water water pump, 8 greenery patchess, 9 haydites, 10 water inlet pipes, 11 outlet pipes, 12 water inlets, and 13 seal lid, 14 roofs, 15 netted lattice Grid, 16 drain pipies, 17 valves, 18 open channels, 19 water plants, 20 overfalls, 21 irrigation pipe networks, 22 draw water pipe network, 23 water distributors, 24 plants, grid in 25,26 ground, 27 sealing plates, 28 plastic foams, 29 rotating shafts, 30 annular protrusions, 31 annular grooves, 32 Apopore, 33 geotextiles, 34 overfalls, 35 first mozzles, 36 second mozzles, 37 fixed mounts.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, give the schematic diagram of the sponge community rainwater comprehensive utilization system of invention, it include collector pipe 1, Early-stage rainwater storage tank 2, main Storm Sewer Network 3, underground regulating reservoir 4, Chu Yu pond 5, irrigation pump 6, the water pump 7 that draws water, greenery patches 8, bright Canal 18;Described early-stage rainwater storage tank 2 is arranged on ground 26, and Chu Yu pond 5 and underground regulating reservoir 4 may be contained within ground 26 Under.The top of early-stage rainwater storage tank 2 is provided with water inlet pipe 10 and outlet pipe 11, and lower end is provided with drain pipe 16, internal empty The bottom in chamber is placed with haydite 9, and water inlet pipe 10 communicates with outlet pipe 11.The rainwater collected on roof 14 is through hydrocone type rain water on roof Enter in early-stage rainwater storage tank 2 after the collection of the collector pipe 1 in collection system.Roof 14 flows into the opening of main Storm Sewer Network 3 Place is provided with mesh grille 15, to filter the foreign objects collected on roof 14.
It is positioned on the pipeline in early-stage rainwater storage tank 2 and is provided with water inlet 12 and seals lid 13, water inlet pipe 10 and water outlet Pipe 11 all communicates with water inlet 12, and water inlet 12 and sealing lid 13 are the formation of rainwater and flow to governor motion, when early-stage rainwater is deposited The rainwater of storage tank 2 less than time, it is allowed to early-stage rainwater enters, when rainwater completely time, do not flowed into by water inlet 12 at rainwater, and It is to be flowed in Chu Yu pond 5 by outlet pipe 11.The lower section of water inlet 12 is provided with the first mozzle 35, and the first mozzle 35 passes through Fixed mount 37 is fixed in early-stage rainwater storage tank 2, water inlet 12 early-stage rainwater flowed down is guided to through the first mozzle 35 In the haydite 9 of lower section.In order to estimate the volume of early-stage rainwater storage tank 2 internal cavities, its volume should meet Q=, is wherein runoff Coefficient, q is the rainfall in front 15-30min, and F is the catchment area on roof.
The granule in early-stage rainwater collected by roof 14, impurity content are the highest, under normal circumstances can not be directly sharp With, enter the early-stage rainwater in early-stage rainwater storage tank 2 anaerobe and common effect of aerobic microbiological in haydite 9 Under, it is achieved purify.The time of staying in early-stage rainwater rainwater storage tank 2 in the early stage was advisable with 3-5 days, to realize early-stage rainwater Thorough purification.After purification, by opening the valve 17 of bottom, the rainwater after purifying is allowed to arrange from drain pipe 16 Go out.Rainwater after the purification discharged by drain pipe 16, flows in greenery patches 8 through extension tube or open channel 18, to realize planting in greenery patches The irrigation of thing 24.Using in the case of open channel 18, can in open channel 18 planting aquatic plants 19.
Shown main Storm Sewer Network 3 is used for being collected the rainwater on ground or parking lot, main Storm Sewer Network 3 and underground Regulating reservoir 4 communicates, main Storm Sewer Network 3 rainwater collected enters in the second mozzle 36, the second mozzle 36 drawn by rainwater To the haydite 9 of bottom.The top of underground regulating reservoir 4 is provided with the overfall 20 communicated with Chu Yu pond 5, and bottom is provided with haydite 9.After rainwater is flowed in underground regulating reservoir 4 by main Storm Sewer Network 3, the solid matter in rainwater is opened under the action of gravity of self Begin sedimentation, by under the common effect of anaerobe in bottom haydite 9 and aerobic microbiological, to the Organic substance in rainwater and Nitrogen, P elements consume, it is achieved to rain water purification and comprehensive utilization.
When local lower regulating reservoir 4 middle water level is too high, moisture can set in Chu Yu pond 5 in overfall 20 flows into Chu Yu pond 5 Being equipped with irrigation pump 6 and the water pump 7 that draws water, greenery patches 8 is positioned at the top in Chu Yu pond 5, and the ground below greenery patches 8 is water permeability ground Face.Having carried out purified treatment due in the early-stage rainwater rainwater storage tank 2 in the early stage that roof 14 collects, the rainwater that ground is collected exists Underground regulating reservoir 4 carries out purified treatment so that flow into Rainwater Quality in Chu Yu pond 5 preferable, by drawing water water pump 7 and can take out Grid 22 is evacuated in middle grid 25, re-uses, and as carried out flushing the toilet, watering etc. is used.But the plant 24 in greenery patches 8 During arid, by irrigation pump 6 and irrigation pipe network 21, rainwater is evacuated in greenery patches, the plant in greenery patches is irrigated.Setting During meter Chu Yu pond 5, sufficiently large in order to ensure its volume, can be designed to store the storm rainfall met for 50 or 100 years.
As in figure 2 it is shown, give the structural representation of early-stage rainwater storage tank in the present invention, the popular regulation of shown rainwater Structure is made up of water inlet 12 and sealing lid 13, and shown water inlet pipe 10 and outlet pipe 11 all communicate with water inlet 12.As Fig. 3 gives Having gone out the enlarged drawing of a-quadrant in Fig. 2, the shown lid 13 that seals by sealing plate 27 and is fixed on the plastic foam below sealing plate 27 28 compositions, sealing plate 2 is rotated by rotating shaft 29 and is fixed on the outer wall of water inlet 12.The lower end of shown water inlet 12 is provided with ring Shape projection 30, sealing plate 27 is provided with the annular groove 31 matched with annular protrusion 30.
When the rainwater in early-stage rainwater storage tank 2 is not reaching to the contact position with plastic foam 28, at sealing plate 27 With under the common effect of plastic foam 28, water inlet 12 is in open mode, and the rainwater now flowed into by water inlet pipe 10 can enter In early-stage rainwater storage tank 2.Along with the rising of water level, as shown in Figure 4, plastic foam 28 and sealing plate 27 are at the work of water surface buoyancy Under with, upper shifting, until the annular groove 31 on sealing plate 27 is snuggly mated to together with annular protrusion 30, it is achieved to water inlet The sealing of mouth 12, the rainwater that now roof 14 collects can be flowed in main Storm Sewer Network 3 by outlet pipe 11.
As it is shown in figure 5, give the structural representation that in the present invention, water distributor matches with irrigation pipe network, shown water distribution Pipe 23 is uniformly arranged in the upper layer of soil in greenery patches 8, and irrigation pipe network 21 communicates with water distributor 23, and water distributor 23 uniformly offers Apopore 32, the outer surface of water distributor 23 is also enclosed with one layer of geotextiles 33, enters water distribution to prevent earth from passing through apopore 32 In pipe 23.During use, the rainwater in Chu Yu pond 5 is evacuated in water distributor 23 by irrigation pump 6, moisture water outlet on water distributor 23 Hole 32 is flowed out, it is achieved the irrigation to plants in green surface 24.
The rainwater utilization method of the sponge community rainwater comprehensive utilization system of the present invention, is realized by following steps:
A). roof early-stage rainwater is collected, and hydrocone type introduction of Roof Rainwater Harvesting System realizes the efficient collection to rainwater, at precipitation Initial stage, roof the rainwater collected flows rapidly into collector pipe through siphon principle, and the rainwater in collector pipe is through entering Water pipe, water inlet flow in early-stage rainwater storage tank, and by the first mozzle by the haydite of rainwater diversion to bottom, it is achieved Collection to early-stage rainwater;
B). ground early-stage rainwater is collected, ground and parking lot the rainwater collected flows in main Storm Sewer Network, and by main rain Grid and the second mozzle flow in the regulating reservoir of underground;
C). early-stage rainwater shunting purifies, and when in early-stage rainwater storage tank, the water level of rainwater reaches the top, rainwater flows to adjust Water inlet is closed by joint mechanism, and the later stage rainwater in collector pipe flows in Chu Yuchi through water inlet pipe, outlet pipe successively, then by leading Storm Sewer Network flows in the regulating reservoir of underground;Early-stage rainwater in early-stage rainwater storage tank, anaerobe and aerobic in haydite Microorganism common effect under, it is achieved purifying, in early-stage rainwater rainwater storage tank in the early stage, residence time is 3-5 days;
D). early-stage rainwater settles, and the early-stage rainwater that ground and parking lot are collected is through main Storm Sewer Network and the second water conservancy diversion pipe flow After entering underground regulating reservoir, earth, solid impurity in rainwater settle under gravity;Meanwhile, the rain in the regulating reservoir of underground Water is in haydite under the common effect of anaerobe and aerobic microbiological, it is achieved purified treatment;
E). the overflow of rainwater, after the rainwater water level in local lower regulating reservoir crosses overfall, can automatically, slowly flow into In Chu Yuchi, by Chu Yu pond, rainwater is kept in;
F). the utilization of early-stage rainwater, after treating early-stage rainwater rainwater storage tank in the early stage purifies, will row by valve Water pipe is opened, and makes the rainwater in early-stage rainwater storage tank flow in greenery patches by open channel, it is achieved the pouring to plant;
G). the reuse of rainwater in Chu Yuchi, the rainwater part in Chu Yuchi, can in the water pump that draws water is evacuated to middle grid Confession is flushed the toilet, road surface watering is used;When greenery patches arid, irrigation pump is utilized to be evacuated in water distributor by the rainwater in Chu Yuchi, with Realize the irrigation to plants in green surface;
H). the collection of greenery patches infiltration, open channel, water distributor or precipitation enter to the moisture in greenery patches, below greenery patches After the infiltration on ground, filtration, flow in Chu Yuchi, for recycling.

Claims (6)

1. a sponge community rainwater comprehensive utilization system, including hydrocone type introduction of Roof Rainwater Harvesting System, main Storm Sewer Network (3), Chu Yuchi (5) and the water pump that draws water (7), be provided with in hydrocone type introduction of Roof Rainwater Harvesting System and flow down for collecting building roof (14) The collector pipe (1) of rainwater, main Storm Sewer Network is for the rainwater collecting ground and parking lot flows down, and Chu Yu pond is arranged at ground (26) Under, for the rainwater after purifying is kept in;The water pump that draws water is arranged among Chu Yuchi, for by the rainwater in Chu Yuchi Extract out;It is characterized in that: above and below described ground (26), be respectively arranged with early-stage rainwater storage tank (2) and underground regulating reservoir (4), early-stage rainwater storage tank being provided with the water inlet pipe (10) and outlet pipe (11) being interconnected, collector pipe is connected with water inlet pipe Logical, the outlet of outlet pipe communicates with Chu Yuchi;Early-stage rainwater storage tank is provided with rainwater and flows to governor motion and to the initial stage Rainwater carries out the haydite (9) purified, and under rainwater flows to the effect of governor motion, collector pipe the early-stage rainwater flowed into can flow into In early-stage rainwater storage tank, later stage rainwater is then entered in main Storm Sewer Network (3) by outlet pipe (11);In early-stage rainwater storage tank It is provided with for the rainwater of inflow being introduced to the first mozzle (35) in bottom haydite (9);
Underground regulating reservoir (4) is disposed adjacent with Chu Yuchi (5), and the top of underground regulating reservoir offers the overflow communicated with Chu Yuchi Mouth (20), bottom is provided with the haydite purifying rainwater, and main Storm Sewer Network communicates with underground regulating reservoir, in the regulating reservoir of underground It is provided with the second mozzle (36) in haydite bottom the rainwater introducing for flowing in main Storm Sewer Network.
Sponge community the most according to claim 1 rainwater comprehensive utilization system, it is characterised in that: described rainwater flows to regulation Mechanism is by the water inlet (12) being all connected with water inlet pipe (10) and outlet pipe (11) and the sealing matched with water inlet (12) Lid (13) composition, seals lid and is made up of sealing plate (27) and plastic foam (28), and plastic foam is arranged on the downside of sealing plate, seals Plate is rotated by rotating shaft (29) and is fixed on the outer wall of water inlet;The lower end of water inlet is provided with annular protrusion (30), sealing plate (27) annular groove (31) matched with annular protrusion is offered on;Plastic foam can make sealing under the buoyancy of rainwater Plate (27) presses to water inlet (12), and make annular protrusion (30) embedded rings connected in star (31) realizes to water inlet (12) close Envelope.
Sponge community the most according to claim 1 and 2 rainwater comprehensive utilization system, it is characterised in that: described early-stage rainwater The lower section of storage tank (2) is provided with drain pipe (16), and drain pipe is provided with the valve (17) that can control its on off operating mode;Draining Rainwater after pipe (16) will be processed in early-stage rainwater storage tank by the extension tube communicated therewith or open channel (18) is discharged, and is using In the case of open channel (18), open channel is planted and is implanted with water plant (19).
Sponge community the most according to claim 1 and 2 rainwater comprehensive utilization system, it is characterised in that: described Chu Yu pond (5) Be arranged above kind being implanted with a greenery patches (8) for plant (24), the lower section in greenery patches is water permeability ground, in the upper layer of soil in greenery patches uniformly It is provided with some water distributors (23);Being provided with irrigation pump (6) in Chu Yuchi (5), the outlet of irrigation pump passes through irrigation pipe Net (21) communicates with water distributor (23).
Sponge community the most according to claim 4 rainwater comprehensive utilization system, it is characterised in that: on described water distributor (23) Uniformly offer some apopores (32), the outer surface of water distributor is enclosed with one layer and prevents earth from entering water distributor internal cavities Geotextiles (33).
6. a rainwater utilization method based on the sponge community rainwater comprehensive utilization system described in claim 1, its feature exists In, realized by following steps:
A). roof early-stage rainwater is collected, and hydrocone type introduction of Roof Rainwater Harvesting System realizes the efficient collection to rainwater, at the beginning of precipitation Stage phase, roof (14) rainwater collected flows rapidly into the rainwater warp to collector pipe (1), in collector pipe through siphon principle Water inlet pipe (10), water inlet (12) flow in early-stage rainwater storage tank (2), and by the first mozzle (35) by rainwater diversion extremely In the haydite (9) of bottom, it is achieved the collection to early-stage rainwater;
B). ground early-stage rainwater is collected, ground (26) and parking lot the rainwater collected flows in main Storm Sewer Network (3), and by Main Storm Sewer Network and the second mozzle (36) flow in underground regulating reservoir (4);
C). early-stage rainwater shunting purifies, and when in early-stage rainwater storage tank, the water level of rainwater reaches the top, rainwater flows to regulation machine Water inlet (12) is closed by structure, and the later stage rainwater in collector pipe flows into Chu Yuchi through water inlet pipe (10), outlet pipe (11) successively (5) in;Early-stage rainwater in early-stage rainwater storage tank, anaerobe and the common effect of aerobic microbiological in haydite (9) Under, it is achieved purifying, in early-stage rainwater rainwater storage tank in the early stage, residence time is 3-5 days;
D). early-stage rainwater settles, and the early-stage rainwater that ground and parking lot are collected is through main Storm Sewer Network (3) and the second mozzle (36) After flowing into underground regulating reservoir (4), earth, solid impurity in rainwater settle under gravity;Meanwhile, in the regulating reservoir of underground Rainwater in haydite under the common effect of anaerobe and aerobic microbiological, it is achieved purified treatment;
E). the overflow of rainwater, after the rainwater water level in local lower regulating reservoir (4) crosses overfall (20), can automatically, slowly flow Enter in Chu Yuchi (5), by Chu Yu pond, rainwater is kept in;
F). the utilization of early-stage rainwater, after treating early-stage rainwater rainwater storage tank in the early stage purifies, will row by valve (17) Water pipe (16) is opened, and makes the rainwater in early-stage rainwater storage tank flow in greenery patches (8) by open channel (18), it is achieved to plant (24) pouring;
G). the reuse of rainwater in Chu Yuchi, the rainwater part in Chu Yuchi (5) is evacuated to middle grid through the water pump that draws water (7) (25) in, be available for flushing the toilet, road surface watering is used;When greenery patches (8) arid, utilize irrigation pump (6) by the rainwater in Chu Yuchi It is evacuated in water distributor (23), to realize the irrigation to plants in green surface;
H). the collection of greenery patches infiltration, open channel (18), water distributor (23) or precipitation enter to the moisture in greenery patches, through greenery patches After the infiltration on ground, lower section, filtration, flow in Chu Yuchi (5), for recycling.
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