A kind of residential block is combined rainwater management system
The invention belongs to Rainwater Resources utilize and water supply and drainage technical field, particularly relate to a kind of residential block and be combined rainwater
Along with dramatically speeding up of Urbanization in China, the continuous expansion of city size, a large amount of cultures make city
Hardened ground increases, and the increase of the underlying surface Permeable stratum area of hardened ground causes rainfall runoff coefficient to increase, conflux networks adds
Hurry up, thus when causing urban storm weather, the general stream of street flood and groundwater storage reduce, and thereby produce serious municipal water
Soil runs off and problem of drainning off floodwaters.Meanwhile, rain drop erosion ground and the runoff pollution that produces, increase place also to the sewage disposal in city
Reason difficulty, if washing away the early-stage rainwater behind ground be directly discharged into natural water, can severe contamination water resource environment.
Rainwater is the water resource of a kind of preciousness, in addition to early-stage rainwater, and its contaminated lesser extent, after treatment can be as city
The greening in city, wash away road etc. and use mixedly water source.The ripe rainwater utilization technology that city is had at present has three kinds, is room respectively
The rainwater in top rainwater-collecting, urban pavement rainwater utilization, urban green space, flower bed and gardens continues with.
Concave herbaceous field is a kind of height public lawn less than surrounding road surface, also referred to as Low elevation greenbelt.Its theory is to utilize
Recessed open space is accepted and storage rainwater, reaches to reduce the effect of row outside runoff.In general, Low elevation greenbelt to recessed deeply
Degree there are certain requirements.And the many unmodified of its soil property, once large-area applications, it is vulnerable to the impact of the conditions such as landform, makes
The volume of regulating and storing becoming actual is relatively low.
Storm detention tank refers to the collection storage utilization facility with rainwater storage function, the most also has and cuts down peak flow
Effect.In urban renewal, the application of storm detention tank gets more and more.But the storm detention tank of large volume builds floor space
Greatly, costly.City practice have shown that, for the target of comprehensive control rainwater mighty torrent, small size, distributed regulates and stores more
Pool mode is than large volume, the centralized dull more effective fruit of reservoir pattern.
Summary of the invention
The present invention solves the problems referred to above of the prior art, propose a kind of residential block and be combined rainwater management system.
For achieving the above object, the present invention is by the following technical solutions:
The first aspect of the invention is to provide a kind of residential block and is combined rainwater management system, including passing sequentially through what pipeline connected
Roof drain 1, rainwater filtering device 2, rainwater treatment device 3 and storage filtered water tank 7；Wherein, described roof drain 1 is arranged at roofing use
In collecting rain water on roof；Described rainwater treatment device 3 includes cylindrical isolation cabin and the spiral being arranged at isolation cabin inner bottom part sinks
Pond, shallow lake 4, being arranged in isolation cabin the adsorption plate 5 at middle part, described rainwater filtering device 2 connects with described spiral sedimentation tank 4, through institute
State the post-depositional rainwater of spiral sedimentation tank 4 described by entering from the top of described isolation cabin after described adsorption plate 5 adsorption treatment
Store filtered water tank 7, enter the rainwater after the process of described storage filtered water tank 7 and connected with domestic water pond 9 by water pump 8.
Further, the decontaminating apparatus 6 being arranged at described rainwater treatment device 3 and storing between filtered water tank 7 is also included.
Further, the level height of described rainwater treatment device 3 is less than the height of described roof drain 1, described rainwater mistake
Level height position between described roof drain 1 and described rainwater treatment device 3 of filter device 2.
Further, described spiral sedimentation tank 4 top is provided with lid of removing contamination, described in remove contamination lid by described spiral sedimentation tank 4 with
Described adsorption plate 5 is kept apart.
Further, described in tops of removing contamination offer overflow pipe, described spiral precipitation is stretched in one end of described overflow pipe
Pond 4 medium position, the other end of described overflow pipe is positioned at outside described isolation cabin.
Further, described in remove contamination to cover and offer some through holes, the aperture of described through hole is 10-30cm.
Further, described adsorption plate 5 is several, and described adsorption plate 5 is vertically arranged and formula seals in the way of draw-in groove
It is fixed on described isolation cabin.
Preferably, described through hole is positioned at described removing contamination of adsorption plate 5 side and covers so that rainwater via through holes passes through after overflowing
Adsorption plate 5 enters the opposite side of adsorption plate 5 after filtering.
Further, described adsorption plate 5 by housing 51 and is set in turn in housing 51 prefiltration plate 52, greasy dirt adsorb
Plate 54 and activated carbon screen plate 55 form, and pass through between described prefiltration plate 52, greasy dirt adsorption plate 54 and activated carbon screen plate 55
Dividing plate 53 is fixed, and described dividing plate 53 is fixedly mounted in housing 51.
Further, described spiral sedimentation tank 4 is conical structure.
Further, described isolation cabin is stainless steel.
The second aspect of the invention is to provide a kind of above-mentioned residential block and is combined rainwater management system answering in residential block
The present invention uses technique scheme, compared with prior art, has the following technical effect that
The present invention integrate rainwater-collecting, purify, store, dispatch, greening water function, more meet rainfall runoff and collect, subtract
Few runoff pollution, the sustainable development idea of raising Water Resources；The rainwater treatment device volume of the present invention is little, expense
Low, addressing is easy with management, is suitable to sponge urban construction；The present invention is connected to the potable water supply system in city in a creative way,
Solve the problem that city domestic water is nervous；The system of the present invention is provided with water pump simultaneously, and distributed filtered water tank just as
Being positioned at the emergent water source in each corner, city, if tie surface hydrant, then the rainwater stored can be used in the road in city
Wash away and the resource of water supply such as fire demand water；For old community, residential neighborhoods rainwater catchment system, make up fire water supply not enough
Or not water outlet during fire hydrant fire, rainwater collection header the rainwater stored plays disaster relief fire extinguishing and is used, is substantially reduced country old hundred
The loss of surname lives and properties and harm.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that a kind of residential block of the present invention is combined rainwater management system；
Fig. 2 is the structural representation of rainwater treatment device of the present invention；
Fig. 3 is the cross section structure schematic diagram of adsorption plate in the present invention；
Wherein, 1-roof drain, 2-rainwater filtering device, 3-rainwater treatment device, 4-spiral sedimentation tank, 5-adsorption plate, outside 51-
Frame, 52-prefiltration plate, 53-dividing plate, 54-greasy dirt adsorption plate, 55-activated carbon screen plate, 6-decontaminating apparatus, 7-filtered water tank, 8-water
Pump, 9-domestic water pond, 10-isolation cabin, 11-removes contamination lid, 12-overflow pipe, 13-through hole.
Detailed description of the invention
Below by specific embodiment, the present invention is carried out detailed and concrete introduction, so that being better understood from the present invention,
But following embodiment is not limiting as the scope of the invention.
As it is shown in figure 1, the embodiment of the present invention provides a kind of residential block to be combined rainwater management system, including passing sequentially through pipeline
Roof drain 1, rainwater filtering device 2, rainwater treatment device 3 and the storage filtered water tank 7 connected；Wherein, roof drain 1 is arranged at roofing
For collecting rain water on roof；Rainwater treatment device 3 includes cylindrical isolation cabin and the spiral being arranged at isolation cabin 10 inner bottom part sinks
Pond, shallow lake 4, being arranged at the adsorption plate 5 at middle part in isolation cabin 10, rainwater filtering device 2 connects with spiral sedimentation tank 4, through spiral precipitation
The post-depositional rainwater in pond 4 stores filtered water tank 7 by entering from the top of isolation cabin 10 after adsorption plate 5 adsorption treatment, enters and stores
Rainwater after the process of filtered water tank 7 is connected with domestic water pond 9 by water pump 8.
This residential block is combined rainwater management system and also includes being arranged at rainwater treatment device 3 and storing between filtered water tank 7
Decontaminating apparatus 6.The level height of rainwater treatment device 3 is less than the height of roof drain 1, the level height position of rainwater filtering device 2
Position between roof drain 1 and rainwater treatment device 3.
As in figure 2 it is shown, spiral sedimentation tank 4 top is provided with lid of removing contamination, spiral sedimentation tank 4 is isolated by lid of removing contamination with adsorption plate 5
Open.Remove contamination lid 11 tops offer overflow pipe 12, spiral sedimentation tank 4 medium position, overflow pipe 12 are stretched in one end of overflow pipe 12
The other end be positioned at outside isolation cabin 10.Removing contamination to cover and offer some through holes on 11, the aperture of through hole is 10-30cm.Through hole is positioned at
Described removing contamination of adsorption plate 5 side covers so that rainwater via through holes enters adsorption plate 5 after being filtered by adsorption plate 5 after overflowing
In embodiments of the present invention, adsorption plate 5 is several, and adsorption plate 5 formula in the way of draw-in groove is fixedly installed on isolation cabin 10
On.As it is shown on figure 3, prefiltration plate 52, greasy dirt adsorption plate 54 and work that adsorption plate 5 by housing 51 and is set in turn in housing 51
Property charcoal screen plate 55 form, fixed by dividing plate 53 between prefiltration plate 52, greasy dirt adsorption plate 54 and activated carbon screen plate 55, every
Plate 53 is fixedly mounted in housing 51.Spiral sedimentation tank 4 is conical structure.Isolation cabin is stainless steel.
The residential block of the present invention is combined the use principle of rainwater management system: when rainy, collects little by roof drain 1
The rainwater of district's housing roof, the rainwater of collection collect after after rainwater filtering device 2 tentatively filters, enter rainwater treatment dress
Put 3 spiral settler 4 deposited after go the removal of impurity；Along with the amount of the rainwater entering rainwater treatment device 3 is continuously increased, spiral shell
In rotation settler 4, the water surface is gradually increasing, and enters isolation cabin 10 top by the through hole 13 on lid 11 of removing contamination, then by inhaling
Decontaminating apparatus 6 is entered from the aqueduct being arranged at isolation cabin upper end after the further purified treatment of attached plate 5；Rain water storage after sterilization
It is stored in storage filtered water tank 7；Then will be stored in rainwater in storage filtered water tank 7 by water pump 8 and be delivered to domestic water pond, be used as
Domestic water.Achieve the resource reutilization of rainwater, slow down the generation of community surface gathered water, waterlogging simultaneously.
Being described in detail the specific embodiment of the present invention above, but it is intended only as example, the present invention does not limit
It is formed on particular embodiments described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and
Substitute the most all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Amendment, all should contain within the scope of the invention.