CN202689085U

CN202689085U - Rainwater collecting device

Info

Publication number: CN202689085U
Application number: CN2012201475911U
Authority: CN
Inventors: 金康
Original assignee: YUNNAN TONGJIE ENVIRONMENTAL PROTECTION ENGINEERING SYSTEM Co Ltd
Current assignee: YUNNAN TONGJIE ENVIRONMENTAL PROTECTION ENGINEERING SYSTEM Co Ltd
Priority date: 2012-04-10
Filing date: 2012-04-10
Publication date: 2013-01-23
Anticipated expiration: 2022-04-10

Abstract

Provided is a rainwater collecting device. A rainwater down pipe (1) is arranged on a house and connected to a rainwater gutterway (2), the rainwater gutterway (2) is connected to a collecting pipe network (4), a hardened filed and a road surface are provided with rainwater discharge channels, and the rainwater discharge channels are connected with a concave downward greenbelt (3). Permeable layers (12) are arranged under soil layers (14) of the concave downward greenbelt (3) and an afforesting group (6) and above the underground water level, a permeable pipe network (5) consisting of permeable pipes (10) and pipelines (11) is arranged in the middles of the permeable layers and connected with a rainwater storing pond (7). The rainwater collecting device is reasonable in design, simple in method, various in target, low in using and maintenance cost and long in service life.

Description

A kind of rain collector

Technical field

The utility model relates to urban rainwater and collects the device that utilizes, specifically a kind of device of rainwater-collecting.

Background technology

Past is the harm that single consideration rainwater causes flood mostly in urban construction, mainly adopts irrigation canals and ditches that rainwater is in time drained, and the water of being bestowed by heaven in a large number is discharged in the irrigation canals and ditches river.Along with World Economics develops rapidly, the very fast expansion of population, water shortage problem will consist of to the economic development in the whole world prestige association, and shortage of water resources is the huge challenge that future world faces.Though China's water resource occupies the 6th, water resource only is 2400-2500m3 per capita, still 1/4 of not enough world average level, and the average water yield in arable land is 4/5 of world average level only also, adds that China is vast in territory, distribution of water resources is uneven.The a lot of cities of China are in exsiccosis, but a large amount of rainwater resources is but by the waste of running off in vain.The city faces the double challenge of flood and water scarcity, need to consider whole, comprehensive, the multiobject mode of utilizing for rainwater, should prevent the harm of flood, again rainwater is kept here as much as possible.Rainwater utilization need to consider the requirements such as improvement of urban flood defence and ecological environment, main foundation comprises that rain water on roof harvests system at present, with rainwater as spray the urban water use such as road surface, green land irrigation, function of flushing water storage or lay pervious surface directly bleed back by rainwater underground, self-restraint underground water.These measure targets are single, and the purpose of rainwater accumulation system only is to harvest, and does not consider that rainwater bleeds back the underground water problem of underground self-restraint, and the rainwater of collecting is dirtier, can not directly use, and need to carry out specially filtration treatment, and this will increase cost.The method of employing pervious surface can only play recharge of groundwater effect, when local underground water is saturated, will cause damage or crop failure caused by waterlogging, can not recycle.

Summary of the invention

The purpose of this utility model is as with Rainwater Resources, provide for the weak point that technology is arranged now a kind of can be with the rainwater recharge of groundwater, again can be when excessive rainfall from being about to a kind of device of rainwater-collecting of dmp filter, collection.

The technical solution of the utility model: a kind of rain collector, establish rainwater down pipe in the house, rainwater down pipe is connected to the aproll ditch, the aproll ditch is connected to the collection pipe network, and aquaporin is set on sclerosis place and road surface, and lower aquaporin is connected with recessed greenery patches, it is characterized in that, under the soil horizon of recessed greenery patches and green land, be provided with permeable formation above the groundwater table, be provided with the infiltration pipe network that is formed by osmos tube and pipeline in the middle of the permeable formation, permeate pipe network and link to each other with reservoir.

Described groundwater table is the initial water level of local annual mean underground water, and described groundwater table top refers to that permeable formation is apart from the distance h 1=30-100 millimeter of groundwater table.

Described permeable formation is at least a kind of composition in grating stone, sand or the cobble, thickness h 3=150-300 millimeter of the permeable formation of the online side of osmos tube, and the thickness of osmos tube side's off the net permeable formation h2 is h2=150-300 millimeter.

Described edaphic thickness H 〉=100 millimeters.

Described infiltration pipe network is that the many osmos tubes that connected by pipeline are connected to reservoir, the infiltration pipe network is obliquely installed, the angle of slope is α=3-5 degree, has at least 1 osmos tube to be provided with the ventilating pipe that communicates with atmosphere in the infiltration pipe network, and the ventilation mouth of pipe is higher than the soil horizon surface.

Described osmos tube cross section is circle, triangle or rectangle, two end topers, and the bell place is connected by pipeline, and osmos tube is made by haydite, its porosity 40-80%.

A kind of rain collector according to claim 1 is characterized in that, the ratio of the surface area of described osmos tube and soil horizon area is 0.5-0.8:1.

The purpose of existing rainwater accumulation system is to harvest, and does not consider that rainwater bleeds back the underground water problem of underground self-restraint, and the rainwater of collecting is dirtier, can not directly use, and need to carry out specially filtration treatment.The method of employing pervious surface can only play recharge of groundwater effect, when local underground water is saturated, will cause damage or crop failure caused by waterlogging.Characteristics of the present utility model are directly to permeate the ground recharge of groundwater from roofing, sclerosis place, road surface and green land when rainwater is less; Work as excessive rainfall, groundwater table is risen when becoming damage or crop failure caused by waterlogging, excessive rainfall will be from entering in the osmos tube by permeable formation and infiltration tube wall, enter reservoir through the infiltration pipe network, store and utilize, reservoir is collected pipe network with urban rainwater and is connected, and when retaining is too much in the reservoir, rainwater can be introduced urban rainwater collection pipe network or middle grid unification use is provided; Also can be by infiltration pipe network recharge of groundwater when arid.Enter rainwater in the osmos tube and be the clear water through the filtration of permeable formation and osmos tube.The utility model is to establish permeable formation according to the initial water level of the normal annual mean groundwater table of actual measurement particular location, the thickness of permeable formation and concrete edaphic water permeability and design, the quantity of osmos tube and the porosity of osmos tube are according to local average annual rainfall design, adopt the osmos tube porosity of haydite preparation large, permeability is strong, intensity is high, long service life.Permeable formation is to adopt grating stone layer, sand or cobble to form, osmos tube is positioned in the middle of the permeable formation, rainwater enters osmos tube again after permeable formation filters can prevent that the hole on the osmos tube from getting clogged, rainwater is filtered again, it all is through soil horizon and permeable formation natural filtration that the infiltration pipe network of sealing makes the rainwater that enters, and purifies, and need not use any additive for purifying, reduce cost, avoided secondary pollution.Soil horizon thickness of the present utility model is to determine according to the plant of plantation, and the soil horizon on plantation meadow can be thinner, and it is thicker that the soil horizon of plantation tree planting wood then needs.Infiltration pipe network of the present utility model is to be connected to reservoir by the many osmos tubes that are parallel to each other through pipeline, for making rainwater can in time flow to reservoir, the reservoir water inlet is equal to or less than infiltration pipe network lowest part, the infiltration pipe network is obliquely installed, for making rain penetration and mobile normal in the osmos tube, the utility model has at least 1 osmos tube to be provided with the ventilating pipe that communicates with atmosphere in the infiltration pipe network.The utility model comprises rainwater-collecting and lower the complete rainwater utilization system such as oozes by foundation, ensures healthy cycle and the exchange of surface water and groundwater, indirectly replenishes city water resource; On the other hand, by the rainwater after purifying, directly the supplementing water resource is used for undrinkable water, makes Rainwater Resources.When excessive rainfall, can in time get rid of, slow down flood.After the hard such as rain drop erosion roof, road surface were mated formation, its damage ratio was more serious, filtered layer by layer by recessed greenery patches, soil horizon, permeable formation and osmos tube etc., recycled or be discharged to Storm Sewer Network or river, played the effect of interception rainfall runoff and precipitation suspension.Soil horizon of the present utility model can be used for greening, not land occupation.The present invention is reasonable in design, method is simple, and target is various, and the operation and maintenance cost is low, long service life.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is the structural representation of the utility model osmos tube and soil horizon and permeable formation

Among the figure: (1) is that rainwater down pipe, (2) are that aproll ditch, (3) are that recessed greenery patches, (4) are that collection pipe network, (5) are that infiltration pipe network, (6) are that green land, (7) are that reservoir, (8) are that reservoir delivery port, (9) are that ventilating pipe, (10) are that osmos tube, (11) are that pipeline, (12) are that permeable formation, (13) are that groundwater table, (14) are soil horizons.

The specific embodiment

With rainwater down pipe (1) rain water on roof is caused aproll ditch (2), rainwater is guided into through the aproll ditch and is collected pipe network (4), the rainwater on place, green land (6) and road surface of will hardening causes recessed greenery patches (3), actual measurement first meeting groundwater table (13), if permeable formation is positioned at the above h1=30-100 millimeter of initial water level, described permeable formation (12) is at least a kind of composition in grating stone, sand or the cobble, the permeable formation thickness h 3=200-300 millimeter of osmos tube top, the permeable formation thickness h 2=150-200 millimeter of osmos tube below.Be provided with the infiltration pipe network (5) that is formed by osmos tube (10) and pipeline in the middle of the permeable formation, the porosity of osmos tube (10) is according to local amount of precipitation design, the infiltration pipe network links to each other with reservoir (7), reservoir is connected with municipal Storm Sewer Network, reservoir is provided with water inlet and delivery port (8), soil horizon (14) is filled out in the permeable formation top, described soil layer thickness H 〉=100 millimeters, soil horizon is for plantation Afforestation Landscape plant, edaphic thickness is to design according to the thickness of soil that the Afforestation Landscape plants needs, the plantation meadow, 100 millimeters of edaphic thickness are just passable, the soil horizon of plantation arbor needs the 300-500 millimeter, and the soil horizon that the large tree of plantation needs is the 500-1000 millimeter.

Described infiltration pipe network (5) is to be connected to reservoir (7) by the many osmos tubes that are parallel to each other (10) through pipeline, the reservoir water inlet is equal to or less than infiltration pipe network lowest part, the infiltration pipe network is obliquely installed, the angle of slope is α=3-5 degree, at the ventilating pipe (9) that infiltration has at least 1 osmos tube to be provided with in the pipe network to communicate with atmosphere, the ventilation mouth of pipe is higher than the soil horizon surface.Described osmos tube (10) cross section is circle, triangle or rectangle, two end topers, and the bell place is connected by pipeline (11), and osmos tube is made by haydite, its porosity 40-80%.The ratio of the surface area of described osmos tube (10) and soil horizon (14) area is 0.5-0.8:1.

Claims

1. rain collector, establish rainwater down pipe (1) in the house, rainwater down pipe is connected to aproll ditch (2), the aproll ditch is connected to collects pipe network (4), aquaporin is set on sclerosis place and road surface, lower aquaporin is connected with recessed greenery patches (3), it is characterized in that, under the soil horizon (14) of recessed greenery patches (3) and green land (6), groundwater table top is provided with permeable formation (12), be provided with the infiltration pipe network (5) that is comprised of osmos tube (10) and pipeline (11) in the middle of the permeable formation, the infiltration pipe network links to each other with reservoir (7).

2. a kind of rain collector according to claim 1 is characterized in that, described groundwater table is the initial water level of local annual mean underground water, and described groundwater table top refers to that permeable formation is apart from the distance h 1=30-100 millimeter of groundwater table.

3. a kind of rain collector according to claim 1 is characterized in that, thickness h 3=150-300 millimeter of the permeable formation of described infiltration pipe network (5) top, and the thickness of the permeable formation h2 of infiltration pipe network (5) below is h2=150-300 millimeter.

4. a kind of rain collector according to claim 1 is characterized in that, the thickness H of described soil horizon (14) 〉=100 millimeters.

5. a kind of rain collector according to claim 1, it is characterized in that, described infiltration pipe network (5) is that the many osmos tubes (10) that connected by pipeline are connected to reservoir (7), the infiltration pipe network is obliquely installed, the angle of slope is α=3-5 degree, at the ventilating pipe (9) that infiltration has at least 1 osmos tube to be provided with in the pipe network to communicate with atmosphere, the ventilation mouth of pipe is higher than the soil horizon surface.

6. a kind of rain collector according to claim 1 is characterized in that, described osmos tube (10) cross section is circle, triangle or rectangle, two end topers, the bell place is connected by pipeline (11), and osmos tube is made by haydite, its porosity 40-80%.

7. a kind of rain collector according to claim 1 is characterized in that, the ratio of the surface area of described osmos tube (10) and soil horizon (14) area is 0.5-0.8:1.