CN202324061U - Flow-turned water holding garden system for treating water collection of city residential quarters - Google Patents
Flow-turned water holding garden system for treating water collection of city residential quarters Download PDFInfo
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- CN202324061U CN202324061U CN201120450431XU CN201120450431U CN202324061U CN 202324061 U CN202324061 U CN 202324061U CN 201120450431X U CN201120450431X U CN 201120450431XU CN 201120450431 U CN201120450431 U CN 201120450431U CN 202324061 U CN202324061 U CN 202324061U
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- water holding
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- deflector type
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The utility model discloses a flow-turned water holding garden system for treating water collection of city residential quarters, which comprises a flow-turned water holding region arranged in a low green ground, wherein one side of the flow-turned water holding region is horizontal to one side of the low green ground and provided with a water overflowing ditch thereon; an annular water collecting groove surrounds the left side, the lower side and the right side of the flow-turned water holding region; a plurality of water intake gaps are arranged on the outer wall of the annular water collecting groove close to the edge of the low green ground; a water holding region water intake is arranged on the inner wall of the annular water collecting groove close to the lower left part of the flow-turned water holding region; and a plant growing region for covering the flow-turned water holding region is arranged on the flow-turned water holding region. The flow-turned water holding garden system disclosed by the utility model is provided with a flow guide wall and a gravel isolation strip, and meshes the whole flow-turned water holding region, so the rain overflows and flows down from each grid of the water holding region towards the next grid, thus, the flowing time of the rain is prolonged, the flow duration and the infiltration of the rain in the water holding region are promoted, and simultaneously, the scouring caused to the vegetation zone by the runoff of the rain is reduced.
Description
Technical field
The utility model belongs to municipal engineering, environmental protection technical field, is specifically related to the deflector type water holding garden system that rainwater is collected in a kind of townsfolk of processing sub-district.
Background technology
Along with the quickening of Chinese Urbanization's process, China's natural environment also receives largely and destroying, and natural basin receives very big influence, and the situation of utilizing in soil also has change largely.A large amount of impervious surface areas such as concrete construction in the city, flexible pavement, trading estate, residential neighborhoods, parking lot roll up, thereby the city overland runoff amount is increased, and the peak flow increases, and the peak flow in advance.The variation of the city nature hydrology circulation that mankind's activity causes makes rainfall runoff aggravate city waterlogging risk, and groundwater table also decreases, and the pollutant that the while rainfall runoff carries also brings serious surface water pollution.Urban rainfall runoff as second largest non-point pollution pollutes the sustainable development that more and more has influence on the city.
Domestic city adopts combined system or separated drainage system more at present, and the form with the dirty interflow of rain after directly rainwater being collected enters Sewage Plant, and perhaps directly shunting enters natural water body.The less collection utilization of considering rainwater or reduce the urban rainwater run-off with the short mode of oozing in source region.The nineties in 20th century, U.S. heavy rain managerial expert has developed a kind of simulating nature hydrologic condition principle, based on the multiple spot microcosmic heavy rain control strategy of source control, i.e. and low influence exploitation (LID).LID pays attention to suiting measures to local conditions, and through a series of protectiveness designs, measures such as biological delay, filtration and infiltration, clean runoff storage are carried out the ecology processing to rainfall runoff, accomplish the control to the urban rainfall runoff water yield and water quality.
At present more and more general for the Ecological Disposal of rainwater, this method is compared with traditional treatment method, and cost is lower, and helps preserving the ecological environment.Basic principle is, when the rainwater that carries pollutant during through ecological treatment system, institute's pollutant of being with such as COD, SS, TP, TN, heavy metal etc. are absorbed or are broken down into by system and hang down pollutant or innocuous substance, thereby water quality is purified.Urban rainwater self-purification at present both at home and abroad and disposal technology development rapidly, for example a kind of baffling type constructed wetland device of handling low-concentration area source pollution, deflector type drowned flow artificial wet land, the rainwater garden of developing based on low influence etc.These methods all have the investment operating cost lower, simple and convenient management and certain advantages such as aesthetic values are arranged, but rainwater short ooze with reduce stress aspect the water yield not enough.
Summary of the invention
The purpose of the utility model is based on the short theory of oozing in source region; Provide a kind of townsfolk of processing sub-district to collect the deflector type water holding garden system of rainwater; This system's floor space is few; Operating cost is low, and certain landscape effect is arranged, and is applicable to the control of the water yield and water quality in the rainfall runoff source region, townsfolk sub-district.
To controlling based on the low rainwater source region water yield that influences the exploitation theory; The utility model is stressed the short theory of oozing in rainwater source region in the townsfolk sub-district; And the underground water source that shows self restraint, conservation of nature environment, beautifying city dwelling environment; Improve urban air-quality, keep aspect advantages such as nature hydrology cyclic balance.
The described a kind of deflector type water holding garden system that rainwater is collected in the townsfolk sub-district that handles of the utility model; Comprise the low gesture greenery patches that is positioned at the townsfolk sub-district; It is characterized in that: in said low gesture greenery patches, be provided with deflector type water holding district, the one side (top) in this deflector type water holding district is one side go out water channel with the overflow that flushes and be provided with in low gesture greenery patches; In said low gesture greenery patches, also be provided with an annular collecting vat, this annular collecting vat is centered around the left side, bottom and the right in said deflector type water holding district; Be provided with a plurality of water inlet gap at annular collecting vat near the outer wall at low edge, gesture greenery patches and collect the rainwater water inlet, be provided with a water holding district water inlet near the inwall of the following left part in deflector type water holding district at annular collecting vat with at least one residential quarter; On said deflector type water holding district, be provided with the plant growing district that covers deflector type water holding district.
Described a kind of deflector type water holding garden system that rainwater is collected in the townsfolk sub-district that handles; The guide wall that both sides up and down in said deflector type water holding district are respectively equipped with many stifled mutual dislocation with is connected with guide wall or vertical rubble intercepts band, formation deflector type gallery.
Described a kind of deflector type water holding garden system that rainwater is collected in the townsfolk sub-district that handles goes out to be provided with Prefabricated combined septic tank in the water channel in said overflow.
Described a kind of deflector type water holding garden system that rainwater is collected in the townsfolk sub-district that handles, its said plant growing district that covers above the deflector type water holding district is plantation soil layer and mixed filler layer.
Said annular collecting vat has the shape of falling antiparallelogram opening at a certain distance in the catch basin outside, and rainwater gets into catch basin from opening.The rainwater that collect through the rainwater closed conduit residential quarter inserts at the trough rim gap that catchments near the water inlet in deflector type water holding district.Through the ground rainwater on every side that collect in low gesture greenery patches, collect through the common import of annular collecting vat.The annular collecting vat bottom is paved into cobble, and the ability of oozing of fixing is also arranged.
Said deflector type water holding district is divided into several gallerys by guide wall, and from this angle, current serpentine in the water holding district is advanced.The guide wall suggestion is considered aesthetic property simultaneously by permeable concrete or other permeable brick one-tenth.In each gallery, there are several rubbles to intercept band gallery is divided into several sub-water holding districts.Have only long-pending full each the grid water holding district of the rainwater of working as, just the meeting cross flow is crossed to intercept and is with the next son water holding district that drops, and from this angle, current are " piece " shape and move ahead one by one.Generally speaking, certain landscape effect is arranged.The sub-district rainwater is mainly permeated the ground through water holding delay mode by whole water holding district.
Said rubble intercepts band, is made up of the rubble of different gradation configuration.Intercept the band two ends and adopt the larger volume stone, mid portion can dispose different fritter cobbles by grating and form.Whole obstruct band section is the equilateral triangle shape, wherein borders on ground on one side.Total keeps leg-of-mutton stability, effectively resists the impact of rainwater, plays energy dissipating and delay effect, and loose structure can effectively catching and absorption water pollutant simultaneously.Guide wall should be higher than rubble obstruct band certain altitude in the water holding district.
The plantation soil layer of said water holding district implants growing area and mixed filler layer are made up of sandy soil, table soil and composite soil; Suggestion improvement planting soil is not less than 13mm/h to the minimum permeability of water, and the comparatively desirable association of soil is 50% sand, 20% table soil, 30% composite soil.If the plantation arborescent trees plant, the planting soil layer thickness is not less than 1m.Planting soil lower floor is provided with packing layer, and packing layer is mixed by cinder, blast furnace slag, rubble etc.Packing layer to filter, pollutant is held back in absorption that good effect is arranged.
The plantation plant has concurrently waterlogging-resistant and ability drought resisting in the said water holding district, can effectively reduce water pollutant through biochemical action, possesses the view sight simultaneously.Preferential native country plant, the suitable collocation alien species selected.Selected plant will have dark comparatively flourishing root system, and stronger pollutant purification ability arranged.Suggestion selects to have higher sight to be worth plant or fragrant flower property plant, to attract all kinds of insects, the niche of Inaedificatio species diversity.
Said overflow goes out water channel, and for after amount of rainfall exceeds the whole system moisture holding capacity, stormwater overflow goes out the water holding district and uses.Go out water channel prosopyle place and be provided with Prefabricated combined septic tank.The rainwater that overflow goes out can enter inlet for stom water, and this moment, amount of rainfall significantly reduced, and water quality is also to a certain degree purified.Also can collect utilization to the rainwater that overflow goes out.The moisture holding capacity in water holding district is specifically calculated by design amount of rainfall in the sub-district and is got.To water holding district entire area, computational methods can be with reference to complete water balance method.In the said deflector type water holding district, every gallery aspect ratio 4:1-5:1, the degree of depth is 0.51-1.0m.Annular collecting vat minimal set outlet capacity should have the water-holding capacity of a gallery at least.
The beneficial effect of the utility model: owing in deflector type water holding district, be provided with guide wall, the deflector type water holding is distinguished into several gallerys, is provided with rubble in the gallery and intercepts band; The district has carried out gridding to whole deflector type water holding; Rainwater, intercepts band through rubble rainfall runoff in the water holding district is detained and energy dissipating to next lattice cross flow drop from every grid water holding district, has prolonged the popular time of rainwater; Promoted in the water holding district rainwater hold stream and under ooze, reduced rainfall runoff washing away simultaneously to the zone of vegetation; Because the plantation soil layer in the deflector type water holding district is made up of sandy soil, table soil and compound improving the soil, so osmotic effect is good, dirt-removing power is good.
Description of drawings
Fig. 1 is the layout plan of the utility model;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 1;
Fig. 4 is the C-C sectional drawing of Fig. 1;
Fig. 5 is the D-D sectional drawing of Fig. 1;
Fig. 6 is the E-E sectional drawing of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Referring to Fig. 1 a kind of deflector type water holding garden system that handles townsfolk sub-district collection rainwater extremely shown in Figure 6; Comprise the low gesture greenery patches 8 that is positioned at the townsfolk sub-district; In said low gesture greenery patches, be provided with deflector type water holding district, the one side (top) in this deflector type water holding district is one side go out water channel 7 with the overflow that flushes and be provided with in low gesture greenery patches; In said low gesture greenery patches, also be provided with an annular collecting vat 1, this annular collecting vat is centered around the left side, bottom and the right in said deflector type water holding district; Be provided with the water inlet that rainwater is collected in a plurality of water inlet gap 2 and at least one residential quarter at annular collecting vat 1 near the outer wall at low 8 edges, gesture greenery patches, be provided with a water holding district water inlet 3 near the inwall of the following left part in deflector type water holding district at annular collecting vat 1; On said deflector type water holding district, be provided with the plant growing district 4 that covers deflector type water holding district.
Further, the guide wall 6 that is respectively equipped with many stifled mutual dislocation of the both sides up and down in said deflector type water holding district with is connected with guide wall or vertical rubble intercepts and is with 5, formation deflector type gallery.
Further,, said overflow is provided with Prefabricated combined septic tank 9 in going out water channel 7.
Further, the said plant growing district 4 that covers above the deflector type water holding district is plantation soil layer and mixed filler layer 10.
Embodiment:
Deflector type water holding garden is in low-lying place in the middle of the low gesture greenery patches 8, peripheral distance deflector type water holding garden, greenery patches catch basin outer wall 2m.
Annular collecting vat 1, interior groove width 0.5m, the high 0.75m of inwall.Groove outer wall gap 2 is the shape of falling the antiparallelogram, trapezoidal bottom width 0.25m down, 30 ° of hypotenuse and vertical direction angles, trapezoidal high 0.375m.Cobble about the shop diameter 5cm of catch basin bottom.
Water holding district water inlet 3 is wide with gallery, and absolute altitude equates with the low absolute altitude of catch basin, also with the water holding district in the rubble obstruct be with absolute altitude to equate.There is rectangular triangle rubble band the water inlet in the water holding district, shown in B-B sectional drawing among Fig. 3, energy dissipating is carried out in water inlet.
Wide each 10m of the whole water holding head of district, inside has by guide wall 6 and is divided into 5 gallerys, every wide 2m of gallery, long 10m.Establish 3 equilateral triangle shape rubbles obstructs in every gallery and be with 5, gallery is divided into 4 isopyknic sub-water holding districts.There are 20 sub-water holding districts in whole water holding district, if the complete water holding in whole water holding district can hold 25m
3Rainwater.Guide wall 6 height are 0.50m, long 8m.Rubble intercepts is with the 5 high 0.25m of being, length equates with width of corridor, is 2m.
In the plant growing district 4, select improving the soil of permeability 15mm/h for use.Consider the plantation of arborescent trees plant, the planting soil layer thickness is got 1.0m.Planting soil lower floor is artificial packing layer, and packing layer is by cinder, blast furnace slag, and rubbles etc. mix, and thickness is 0.5m.Choosing of kind of plant: the arbor class can be selected the strong plant of water-fast wet ability of resisting cold such as metasequoia, weeping willow; Humidogene and water plant class are selected arrowhead, canna, cattail, spatterdock etc.Need consider various collocation and kind method from the garden art angle equally during plant growing, should water once in former weeks every day in the plantation back.
Overflow effluent trough 7, it is provided with Prefabricated combined septic tank 9 at delivery port place, water holding district, the periodic cleaning dirt.Effluent trough 7 bottom land absolute altitudes intercept with rubble is with 5 top absolute altitudes to equate.
All lengths and absolute altitude parameter are following in the diagram:
a=2.0m,b=2.5mc=0.5m,d=0.00m,e=0.25m,f=0.625m,g=1.0m,h=0.5m.
Low low-lying place, gesture greenery patches is built in whole water holding garden in, and sub-district ground rainwater and rain water on roof are worked to collect in low gesture greenery patches.The annular collecting vat outside has the shape of falling antiparallelogram gap at a certain distance, and rainwater gets into catch basin from gap.The catch basin bottom is paved into by cobble.
Guide wall is distinguished into several gallerys with water holding, and every gallery intercepts band by some rubbles and is divided into several lattice washing basins.After every lattice pond treats that the rainwater collection is full, intercept band top cross flow next lattice water holding district that drops from rubble again.
Rubble intercepts band and is made up of the rubble of different gradation configuration.Intercept the band two ends and adopt the larger volume stone, mid portion can dispose different fritter cobbles by grating and form.Whole obstruct band section is the equilateral triangle shape, Yi Bian border on ground.Total keeps leg-of-mutton stability, effectively resists the impact of rainwater, and loose structure can effectively catching and absorption water pollutant simultaneously.
Claims (4)
1. handle the deflector type water holding garden system that rainwater is collected in the townsfolk sub-district for one kind; Comprise the low gesture greenery patches (8) that is positioned at the townsfolk sub-district; It is characterized in that: in said low gesture greenery patches (8), be provided with deflector type water holding district, the top in this deflector type water holding district with low gesture greenery patches (8) one side the overflow that flushes and be provided with go out water channel (7); In said low gesture greenery patches (8), also be provided with an annular collecting vat (1), this annular collecting vat is centered around the left side, bottom and the right in said deflector type water holding district; Be provided with the water inlet that rainwater is collected in a plurality of water inlet gap (2) and at least one residential quarter at annular collecting vat (1) near the outer wall at low edge, gesture greenery patches (8), be provided with a water holding district water inlet (3) near the inwall of deflector type water holding district bottom left part at annular collecting vat (1); On said deflector type water holding district, be provided with the plant growing district (4) that covers deflector type water holding district.
2. a kind of deflector type water holding garden system that rainwater is collected in the townsfolk sub-district that handles according to claim 1; It is characterized in that: the guide wall (6) that the both sides up and down in said deflector type water holding district are respectively equipped with many stifled mutual dislocation with is connected with guide wall or vertical rubble intercepts band (5), formation deflector type gallery.
3. a kind of deflector type water holding garden system that rainwater is collected in the townsfolk sub-district that handles according to claim 1 and 2 is characterized in that: in said overflow goes out water channel (7), be provided with Prefabricated combined septic tank (9).
4. a kind of deflector type water holding garden system that rainwater is collected in the townsfolk sub-district that handles according to claim 1 and 2 is characterized in that: the said plant growing district (4) that covers above the deflector type water holding district is plantation soil layer and mixed filler layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120450431XU CN202324061U (en) | 2011-11-15 | 2011-11-15 | Flow-turned water holding garden system for treating water collection of city residential quarters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120450431XU CN202324061U (en) | 2011-11-15 | 2011-11-15 | Flow-turned water holding garden system for treating water collection of city residential quarters |
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|---|---|
| CN202324061U true CN202324061U (en) | 2012-07-11 |
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| CN201120450431XU Expired - Fee Related CN202324061U (en) | 2011-11-15 | 2011-11-15 | Flow-turned water holding garden system for treating water collection of city residential quarters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064302A (en) * | 2015-08-06 | 2015-11-18 | 广东省生态环境与土壤研究所 | Field channel construction method for cutting down soil nitrogen and phosphorous runoff and field channel system |
-
2011
- 2011-11-15 CN CN201120450431XU patent/CN202324061U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064302A (en) * | 2015-08-06 | 2015-11-18 | 广东省生态环境与土壤研究所 | Field channel construction method for cutting down soil nitrogen and phosphorous runoff and field channel system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20171115 |