CN107386361B - A kind of rainwater purification storage device - Google Patents
A kind of rainwater purification storage device Download PDFInfo
- Publication number
- CN107386361B CN107386361B CN201710607132.4A CN201710607132A CN107386361B CN 107386361 B CN107386361 B CN 107386361B CN 201710607132 A CN201710607132 A CN 201710607132A CN 107386361 B CN107386361 B CN 107386361B
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- header tank
- sediment
- rotational flow
- rainwater
- storage device
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
- E04D2013/086—Filters
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
- E04D2013/0873—Rain water reservoirs integrated in down pipes
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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 present invention relates to rainwater-collecting purification techniques fields, more particularly, to a kind of rainwater purification storage device.It includes sediment by rotational flow casing, sand setting collection bucket, filter element and header tank, sediment by rotational flow casing includes outer tube and inner tube, on inner pipe be equipped with inlet opening, and the inlet end and an outlet end of inner tube be all it is closed, between outer tube and inner tube be equipped with several guide vanes；Sand setting collection bucket is located at sediment by rotational flow sleeve bottom, for receiving the particulate matter separated through sediment by rotational flow casing；Collection bucket bottom is provided with valve；Filter element is connect with sediment by rotational flow cannula exit, for filtering the rainwater separated through sediment by rotational flow casing；Header tank is located at below filter element, and for receiving the rainwater filtered through filter element, header tank is additionally provided with the delivery pipe being connected with the outlet end of the inner tube of sediment by rotational flow casing.The device is combined by sediment by rotational flow and filter element, can effectively improve the effects of purification quality to rainfall runoff.
Description
Technical field
The present invention relates to rainwater-collecting purification techniques fields, more particularly, to a kind of rainwater purification storage device.
Background technique
With the continuous development of urbanization process, the regions such as urban surface and roofing are enriched a large amount of pollutant, and work as
When rainfall, pollutant is just discharged with rainfall runoff by pipeline under rainwash effect, and pollution brought by it is existing
Have become one of the principal element of receiving water body water quality deterioration.But consider different regions underlying surface type, land used feature, provincialism
The differences such as matter, pollutant otherness is larger and is difficult to quantify.Wherein in runoff caused by roofing and urban road, land for squares
Often contain a large amount of organic pollutants and heavy metal, if being directly discharged into receiving water body, Yi Yinfa receiving water body water without processing
Combined material continuous property is deteriorated even black smelly.And corresponding is to pour to spread the water demand in greenery patches and road and be continuously increased, rainwater is made
For a kind of resource of preciousness, there are huge collection reuse potentiality.And how to purify rainwater, mitigate rainwater bring
Pollute and how to become rainwater utilization the research emphasis for this patent.
Existing rainwater purification storage device can be divided into two classes, and one kind is using a constant volume or rain time as control
Property parameter, initial rainwater is subjected to abandoned stream or control for initial rainwater seriously polluted problem, rather than initial rainwater is then direct
Carry out storage reuse；Second class is then that rainwater is all filtered by filter material layer, and reuse or direct outlet are stored after filtering.However
In actual motion, the two all be there are problems that.
The first kind is in such a way that volume or rain time are controlled, using initial Split-flow as the main of Water-quality control
The water quality of measure, contamination control effect and collected rainwater is often difficult to ensure.If being controlled according to volume, only it is applicable in
In the way of smaller control area, when required control area is larger, the first flush effect of pollutant at any time gradually weakens, initial stage
Abandoned stream is ineffective, and required control rainwater volume is excessive, and measure economy is poor；And the mode controlled according to rain time
It is even more influenced by Rainfall Characteristics, specific control effect contingency is very big.The two storage reuse Rainwater Quality be difficult to ensure, very
To reclaimed water reuse standard is not achieved.And the second class rainwater all filter material layer filter by way of, although ensure that storage
The Rainwater Quality being stored back to, but since rainfall runoff changes in flow rate range is larger, cause spillway discharge larger, not can guarantee collection water
Amount, and filtrate is easy blocking, frequency of maintenance is more demanding.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of rainwater purification storage integrated devices, it is intended to solve the prior art or related skill
Present in art the problem of Water-quality control low efficiency.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of rainwater purification storage devices comprising is used for and rain
Sediment by rotational flow casing, sand setting collection bucket, filter element and the header tank of pipe connection are fallen, the sediment by rotational flow casing includes outer tube
And be set in the inner tube in the outer tube, be provided with several inlet openings in said inner tube, and the input end of said inner tube and
Outlet end be all it is closed, be provided between the outer tube and said inner tube it is several in shape of threads arrangement guide vanes；Institute
The bottom that the outlet section of the sediment by rotational flow casing is arranged in sand setting collection bucket is stated, for receiving through the sediment by rotational flow casing point
Separate out the solid particulate matter come；It is provided in the bottom of the sediment by rotational flow casing for discharging collected solid particulate matter
Valve；The filter element is connect with the outlet of the sediment by rotational flow casing, is separated for filtering through the sediment by rotational flow casing
Rainwater out；The lower section of the filter element is arranged in the header tank, for receiving the rain filtered through the filter element
Water, the header tank are additionally provided with the delivery pipe being connected with the outlet end of the said inner tube of the sediment by rotational flow casing.
Wherein, the sediment by rotational flow casing includes sequentially connected tilting section and horizontal segment, wherein the tilting section it is upper
End is used as import, and with for export, the sand setting collection bucket is located at the eddy flow for the one end of the horizontal segment far from the tilting section
Sand casing horizontal segment bottom, and be connected with the outer tube of the sediment by rotational flow casing.
Wherein, the filter element includes filter material layer, the area to be filtered above the filter material layer and is located at described
Overflow plate in area to be filtered, the area to be filtered are connect with the outlet of the sediment by rotational flow casing, and the overflow plate will be described
Differentiation to be filtered is cut into the first area close to the sediment by rotational flow casing and the second area far from the sediment by rotational flow casing；
The filter element further includes two and is located at the pressure-measuring pipe being connected to outside the header tank and with the header tank, one of to survey
The lower end of pressure pipe is located at the top of the filter material layer, and the lower end of another pressure-measuring pipe is located at the filter material layer bottom.
Wherein, the header tank includes catchment box body, the case lid and in the header tank of catchmenting that can open
The top of the box body that catchments is arranged in header tank liquidometer, the filter material layer, the filter material layer in the header tank
Top forms the area to be filtered.
Wherein, first layer filtrate and the second layer filter that the filter material layer includes net box and is respectively placed in the net box
Material, the net box for accommodating the second layer filtrate is located at below the net box for accommodating the first layer filtrate, and second layer filtrate
Partial size be less than first layer filtrate partial size.
Wherein, which further includes the overflow port being arranged on the side wall in the area to be filtered, described
The height of overflow port should be not less than the height of the delivery pipe water inlet, and the height of the overflow port should be higher than that the overflow plate top
The height in portion.
Wherein, the water inlet of the delivery pipe is located inside said inner tube, and is higher than the bottom of said inner tube；And delivery pipe
The filter material layer should be lower than with the junction of the header tank.
Wherein, distance of the header tank liquidometer bottom away from the header tank bottom is not more than 40mm, and overhead height
The overflow port bottom should be not less than.
It wherein, further include for by the intake of the water reuse in the header tank, the intake to be located at described catchment
On case side wall；The intake should be not less than the header tank bottom 20mm, and be not higher than the header tank bottom 60mm.
It wherein, further include for being arranged in the bottom of the header tank by the water outlet of the water emptying in the header tank
The oriented water outlet gradually inclined gradient.
(3) beneficial effect
Rainwater purification storage device provided by the invention carries out eddy flow when rainfall is larger, by using sediment by rotational flow casing
Sand setting gets rid of the solid particulate matter carried in rainwater to outer tube, and is collected control by sand setting collection bucket, reaches solid
Grain object removal effect, rainwater after sediment by rotational flow enter header tank after filter element filters, and the cleaning separated
Rainwater concentrates on inner tube through the inlet opening in inner tube, then drains into header tank by delivery pipe in case outlet or reuse.Due to adopting
With sediment by rotational flow casing, the preliminary sand setting separation in the rainwater of sediment by rotational flow inside pipe casing is realized, and is consolidated what is isolated
Body particulate collection in sand setting collection bucket so that separation after rainwater in solid particulate matter greatly reduce, reduce subsequent dirt
Load is contaminated, the service life of filtrate is extended, ensure that the water quality of storage rainwater.Solid after rainfall, in sand setting collection bucket
The valve that particulate matter can be reserved by bottom is discharged, and realizes the efficient control of pollutant.
In addition, being designed at the top of header tank using openable, and filtrate is first placed in netted box and places into filter element
In, this mode makes filtrate be easy to take out replacement.In addition, header tank can be observed by the header tank liquidometer in header tank
Water level, grasp the strainability of filter material layer.
The ponding stopping state of the first filter material layer can be reacted by being located at the piezometric head at the top of filter material layer, and its with
The stopping state of the first, second filter material layer entirety can be reacted positioned at the difference of the piezometric head of filter material layer bottom.And overflow
Plate can be designed so that rain water pollutant is mainly trapped in the first area of filter material layer, mainly replace filtrate when replacing filtrate
The filtrate of layer first area.
The control of the rainwater purification storage device especially suitable for rain water on roof and overpass rainwater passes through when applicable
Filter material layer reduces outlet rain water pollutant concentration, reduces impact of the pollutant directly for greenery patches, is stored by gathering ground
Rainwater carries out reuse, also acts certain peak clipping effect.The device is easy to use, and collection and purification effect is good, and application prospect is wide
It is wealthy.
Detailed description of the invention
Fig. 1 is a kind of top view of a preferred embodiment of rainwater purification storage device according to the present invention；
Fig. 2 is schematic cross-sectional view of the rainwater purification storage device in Fig. 1 along A-A；
Fig. 3 is schematic cross-sectional view of the rainwater purification storage device in Fig. 1 along B-B；
Fig. 4 is schematic cross-sectional view of the rainwater purification storage device in Fig. 2 along C-C；
Fig. 5 is schematic cross-sectional view of the rainwater purification storage device in Fig. 2 along D-D
In figure, 1: sediment by rotational flow casing；11: outer tube；12: inner tube；13: guide vane；14: inlet opening；15: connector；
2: filter element；21: area to be filtered；22: filter material layer；221: first layer filtrate；222: second layer filtrate；23: filter；24: net
Box；25: overflow plate；26: pressure-measuring pipe；3: header tank；31: catchment box body；32: catchment case lid；33: header tank liquidometer；4:
Delivery pipe；5: overflow port；6: intake pipe；7: water outlet；8: rainwater down pipe；9: sand setting collection bucket；10: valve.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Fig. 1 to Fig. 5 shows an a kind of preferred embodiment of rainwater purification storage device according to the present invention.As schemed
Show, which includes the sediment by rotational flow casing 1 for connecting with rainwater down pipe 8, and sand setting collection bucket 9, filtering are single
Member 2 and header tank 3.Wherein, sediment by rotational flow casing 1 includes the outer tube 11 and be set in outer tube 11 interior that internal diameter is DN100
Diameter be DN50 inner tube 12, be provided in inner tube 12 several apertures be 5mm inlet opening 14, and the input end of inner tube 12 and go out
Mouthful end be all it is closed, several guide vanes 13 in shape of threads arrangement are provided between outer tube 11 and inner tube 12；Sand setting is received
The bottom of the outlet section of sediment by rotational flow casing 1 is arranged in collection bucket 9, for receiving the solid separated through sediment by rotational flow casing 1
The valve 10 for discharging solid particulate matter is arranged in the bottom of sediment by rotational flow casing 1 in particulate matter；Filter element 2 and eddy flow
The outlet of sand casing 1 connects, and the lower section of filter element 2 is arranged in header tank 3, for receiving the rain filtered through filter element 2
Water, header tank 3 are additionally provided with the delivery pipe 4 that the internal diameter being connected with the outlet end of the inner tube of sediment by rotational flow casing 1 is DN40.
Due to solid particle and the difference of rainwater density, when rainfall, rainwater purification storage device provided by the invention is logical
It crosses and sediment by rotational flow is carried out using sediment by rotational flow casing 1, the solid particulate matter carried in rainwater is got rid of to outer tube 11, and flow into and revolve
The sand setting collection bucket 9 that stream sand casing 1 is connected, and sedimentation reaches the removal of solid particulate matter in rainwater here, then passes through
The rainwater for crossing preliminary sedimentation enters header tank 3 after the filtering of filter element 2, and the clean rainwater separated is through in inner tube 12
Inlet opening 14 concentrates on inner tube 11, then drains into header tank 3 by delivery pipe 4 in case outlet or reuse, it is heavy in eddy flow to realize
The preliminary sand setting of rainwater inside husky casing 1 separates, and the solid particulate matter isolated is collected in sand setting collection bucket 9, makes
Solid particulate matter greatly reduces in rainwater after must separating, thus strengthens contamination control effect, and extend filtrate uses the longevity
Life ensure that the water quality of storage rainwater, accelerate the rate of filtration in filter element 2.After rainfall, in sand setting collection bucket 9
Solid particulate matter can by bottom reserve valve 10 be discharged, realize rainwater efficient storage purify.
Specifically, sediment by rotational flow casing 1 includes sequentially connected tilting section and horizontal segment, wherein is used the upper end of tilting section
Make import, for connecting with rainwater down pipe 8, the one end of horizontal segment far from tilting section is with for export.As shown in figure 5, inner tube 12 can lead to
Multiple connectors 15 fixed (such as welding) are crossed on outer tube 11, such as can both ends in sediment by rotational flow casing 1 and inclination
Section and these three positions of the junction of horizontal segment are welded on outer tube 11.Guide vane 13 is between two adjacent connectors 15
Pass through, import at guide vane 13 can by adjusting 15 structure of connector so that water flow in tangentially enter guide vane 13.
And at connector 15 generate the larger phenomenon of local pressure can by way of suitably expanding 11 junction cross section of outer tube solution
Certainly.
Inlet opening 14 is arranged on the tube wall of inner tube 12, and preferably inlet opening 14 is evenly distributed on the tube wall of inner tube 12.Example
As in this embodiment, edge is parallel to the interval between the two neighboring inlet opening 14 on the direction of 12 axis of inner tube in inner tube 12
It is 20mm, and is distributed on the direction perpendicular to 12 axis of inner tube along 60 degree of the circumference face interval of inner tube 12.Further, portion
Point inlet opening 14 is distributed in the bottom of inner tube 12, with guarantee inner tube 12 during the rainfall from rinsing so that solid particulate matter with
Rainwater from outer tube 11 flow out, will not accumulate for a long time in inner tube 12.Guide vane 13 is arranged on the inner wall of outer tube 11, and
It is arranged in shape of threads.Such as in this embodiment, on the direction for being parallel to outer tube axis between two neighboring guide vane 13
Distance be 75mm.
The bottom of the horizontal segment of sediment by rotational flow casing 1 is arranged in sand setting collection bucket 16, is connected with outer tube 11, so that eddy flow
The solid particulate matter isolated can accumulate in sand setting collection bucket 16, reduce the stopping state of filter element 2.The embodiment
In, sand setting collection bucket 16 is in quadrangular frustum pyramid shaped, is being in 30 ° of gradients with 11 connectivity part of outer tube, so that consolidating into sand setting collection bucket 16
Body particle concentrates on bottom, and valve 10 is opened after rainfall can effectively be discharged solid particulate matter.It should be noted that sand setting is collected
The shape of bucket 9 can also be using other shapes, such as inverted conical shape.
Filter element 2 is including filter material layer 22, the area to be filtered 21 above filter material layer 22 and is located at area 21 to be filtered
Interior overflow plate 25, area 21 to be filtered are connect with the outlet of sediment by rotational flow casing 1, and stream sand setting is higher than at the top of area 21 preferably to be filtered
The 11 top 20mm of outer tube of casing 1, with mitigate high flow rate generation air pressure fluctuation, and preferably area 21 to be filtered height (i.e. to
The vertical distance of 21 top to 22 upper surface of filter material layer of filtering area) it is greater than 10cm, to increase gathering ground volume, when increasing filtering
Between.Area 21 to be filtered is divided into close to the first area of sediment by rotational flow casing 1 and far from sediment by rotational flow casing 1 by overflow plate 25
Second area, in this embodiment, overflow plate 25 perpendicular to spiral-flow desilting casing 1 export direction, apart from spiral-flow desilting casing 1
45cm is exported, so that the solid particulate matter in rainwater is mainly trapped in the first area in area 21 to be filtered, and when filter material layer is sent out
When raw stopping state, replacement filtrate mainly replaces part filtrate before filter material layer, reduces the maintenance difficulties of filtrate.
Filter element 2 further includes two 26: the first pressure-measuring pipes of pressure-measuring pipe for being located at 3 outside of header tank and being connected to header tank
With the second pressure-measuring pipe, wherein the lower end of the first pressure-measuring pipe 26 is located at the top of filter material layer 22, such as in this embodiment, this first is surveyed
The lower end of pressure pipe 26 is higher than the first filter material layer 221 top 5mm, total height 180mm, and slightly above overflow port 5, the head can be anti-
The ponding situation for answering the first filter material layer 221 shows the first filter material layer when the head shown in first pressure-measuring pipe 26 does not decline always
221 block.The lower end of second pressure-measuring pipe 26 is located at 22 bottom of filter material layer, total height 330mm, and upper end level and first is surveyed
26 overhead height of pressure pipe is concordant.The difference of two 26 heads of pressure-measuring pipe can react the first filter material layer 221, the second filter material layer 222
Whole stopping state then needs to change filtrate when the two difference is larger.
Preferably, header tank 3 include catchment box body 31, catchment case lid 32 and the liquidometer 33 in header tank, mistake
The top for the box body 3 that catchments is arranged in the filter material layer 22 of filter unit 2, and the top of filter material layer 22 is formed to be filtered in header tank 3
Area 21, so that the purification of rainwater and storage device integration.Further, the case lid 32 that catchments can be opened, and can pass through
Unlatching catchment case lid 32 replacement or maintenance filter material layer 22.In addition, filter material layer 22 includes metal mesh box 24 and and inserts in advance
Filtrate (selects the haydite of 2mm and the active carbon powder of 0.5mm) in this example, 24 surrounding of net box all has mesh, mesh size
It is determined according to selected filtrate medium, in this example, since active carbon powder partial size is smaller, entirety is packed into net after being wrapped up with geotextiles
The top of box 24, net box 24 can open, but when in use it should be noted that fixation, makes it be unlikely to open wide and to filter in application
Material is by broken off by water flush.Filtrate preferably includes the first layer filtrate 221 and second layer filtrate 222 being respectively placed in net box 24, accommodates
The net box of second layer filtrate 222 is located at below the net box for accommodating first layer filtrate 221, and the partial size of second layer filtrate 222 is small
In the partial size of first layer filtrate 221.Such as in this embodiment, first layer filtrate 221 uses the partial size of thickness 100mm for 2mm's
Haydite, second layer filtrate 222 use the partial size of thickness 100mm for the active carbon powder of 0.5mm.Further, as shown in figure 4, being
It avoids single 24 weight of net box excessive, four small net box is respectively adopted in the net box 24 for loading first layer filtrate and second layer filtrate
Assembly is formed, but reduces the gap between small net box because paying attention in construction, avoids the rainwater for making to filter because gap is excessive not
It is directly entered header tank 3 through the filtering of filter material layer 22, reduces filter effect.When filter clogging situation seriously needs to safeguard or replace
When filtrate, directly net box 24 can be sling using rope etc. by top, take out be filled with filtrate net box 24 carry out maintenance or
Replacement, substantially increases the service life of the device in this way, improves clean-up effect.
Further, the bottom of filter material layer 22 is provided with filter 23, to avoid filterins media run-off and after being further reduced filter
Solid particle, while avoiding generating rainwater in filter element 2 and accumulate, further, it is preferable to wrap up geotechnique on the filter 23
Cloth causes filterins media run-off when smaller to avoid particle diameter of filter medium.
Preferably, the water inlet of delivery pipe 4 is located inside inner tube 12, and be higher than inner tube 12 bottom, to avoid silt particle with
Water flow is directly entered delivery pipe 4, then accesses header tank 3.Such as in this embodiment, delivery pipe 4 is higher than 12 bottom of inner tube
10mm.In addition, distance of the discharge outlet of delivery pipe 4 apart from 3 bottom of header tank is more than or equal to 40mm, to carry out energy dissipating.
In addition, the rainwater purification storage device further includes the overflow port 5 being arranged in filter element 2, which is located at
Catchment 31 side wall of box body, and height should be higher than that the height of overflow plate 25, such as higher than 25 top 10cm of overflow plate, there is pipe in outside
Sewage pipe is led in road connection.5 height of overflow port is identical as 4 height of delivery pipe in the inner tube 12 for being located at spiral-flow desilting casing 1,
To guarantee that the rainwater for having little time lower infiltration can smooth overflow.
In addition, the rainwater purification storage device further includes being arranged on header tank side wall for will be stored in header tank 3
Clean rainwater reuse intake 6, preferably 6 bottom of intake should be not less than the header tank bottom 20mm, and be not higher than institute
State header tank bottom 60mm.In addition, area's air pressure fluctuation to be filtered can also be adjusted by intake.
In addition, the rainwater purification storage device further includes the header tank liquidometer for measuring liquid level in header tank 3
33, in this example, header tank liquidometer 33 uses transparent plastics material, and diameter 50mm is located at outside device, bottom with catchment
Case 3 is constituted into linker, and outside the box body 31 that catchments, top is identical as 5 bottom level of overflow port.Header tank liquidometer 33
Distance of the bottom away from 3 bottom of header tank is 40mm, and overhead height is higher than 5 bottom level 5cm of overflow port.Further, the rain
Water warfare storage device further includes for by the water outlet 7 of the water emptying in header tank 3, the bottom of preferably header tank 3 to be provided with
From periphery to the gradually inclined gradient of water outlet 7, that is to say, that the position where water outlet 7 is located at the minimum of 3 bottom of header tank
Point, this makes bottom not generate stench because of local ponding.
It should be noted that the embodiment is designed according to DN100 rainwater down pipe 8, if practical pipeline is DN110 or other rulers
It is very little, then relevant size should be specifically designed according to the actual situation.
The control of the rainwater purification storage device especially suitable for rain water on roof and overpass rainwater, when applicable, both
Outlet rain water pollutant concentration can be reduced by the filter effect of filter material layer 22, reduce pollutant directly rushing for greenery patches
It hits, reduces outlet risk；The rainwater that can also be stored by header tank carries out reuse, pours and spreads greenery patches；And increase certain tune
Volume is stored, plays the role of certain reduction for rain peak.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of rainwater purification storage device, which is characterized in that including sediment by rotational flow casing, the sand setting for being connect with rainwater down pipe
Collection bucket, filter element and header tank, the sediment by rotational flow casing include outer tube and the inner tube that is set in the outer tube,
Be provided with several inlet openings in said inner tube, and the inlet end and an outlet end of said inner tube be all it is closed, in the outer tube
Several guide vanes in shape of threads arrangement are provided between said inner tube；The sand setting collection bucket setting is heavy in the eddy flow
The bottom of the outlet section of sand casing, for receiving the solid particulate matter separated through the sediment by rotational flow casing；In the rotation
The bottom of stream sand casing is provided with the valve for discharging collected solid particulate matter；The filter element and the eddy flow
The outlet of sand casing connects, for filtering the rainwater separated through the sediment by rotational flow casing；The header tank setting exists
The lower section of the filter element, for receiving the rainwater filtered through the filter element, the header tank be additionally provided with it is described
The delivery pipe that the outlet end of the said inner tube of sediment by rotational flow casing is connected；
The sediment by rotational flow casing includes sequentially connected tilting section and horizontal segment, wherein the upper end of the tilting section be used as into
Mouthful, with for export, the sand setting collection bucket is located at the sediment by rotational flow casing for the one end of the horizontal segment far from the tilting section
Horizontal segment bottom, and be connected with the outer tube of the sediment by rotational flow casing.
2. rainwater purification storage device according to claim 1, which is characterized in that the filter element include filter material layer,
Area to be filtered above the filter material layer and the overflow plate in the area to be filtered, the area to be filtered with it is described
The outlet of sediment by rotational flow casing connects, and the differentiation to be filtered is cut into the close to the sediment by rotational flow casing by the overflow plate
The second area in one region and the separate sediment by rotational flow casing；The filter element further includes two and is located at outside the header tank
The lower end of portion and the pressure-measuring pipe being connected to the header tank, one of pressure-measuring pipe is located at the top of the filter material layer, another survey
The lower end of pressure pipe is located at the filter material layer bottom.
3. rainwater purification storage device according to claim 2, which is characterized in that the header tank includes header tank case
Body, catchment case lid and the header tank liquidometer in the header tank that can be opened, the filter material layer are arranged in the collection
The top of water tank box, the top of the filter material layer forms the area to be filtered in the header tank.
4. rainwater purification storage device according to claim 3, which is characterized in that the filter material layer includes net box and each
From the first layer filtrate and second layer filtrate being placed in the net box, the net box for accommodating the second layer filtrate, which is located at, to be accommodated
Below the net box of the first layer filtrate, and the partial size of second layer filtrate is less than the partial size of first layer filtrate.
5. rainwater purification storage device according to claim 3, which is characterized in that the rainwater purification storage device further includes
Overflow port on the side wall in the area to be filtered is set, and the height of the overflow port should be not less than the delivery pipe water inlet
Highly, the height of the overflow port should be higher than that the height at the top of the overflow plate.
6. rainwater purification storage device according to claim 4, which is characterized in that the water inlet of the delivery pipe is located at institute
Internal tube is stated, and is higher than the bottom of said inner tube；And the junction of delivery pipe and the header tank should be lower than the filter material layer.
7. rainwater purification storage device according to claim 5, which is characterized in that header tank liquidometer bottom is away from institute
The distance of header tank bottom is stated no more than 40mm, and overhead height should be not less than the overflow port bottom.
8. rainwater purification storage device described in any one of -7 according to claim 1, which is characterized in that further include for by institute
The intake of the water reuse in header tank is stated, the intake is located on the header tank side wall；The intake should be not less than
The header tank bottom 20mm, and it is not higher than the header tank bottom 60mm.
9. rainwater purification storage device described in any one of -7 according to claim 1, which is characterized in that further include for by institute
The water outlet for stating the water emptying in header tank is provided in the bottom of the header tank to the water outlet gradually inclined slope
Degree.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107965042A (en) * | 2017-12-25 | 2018-04-27 | 中冶京诚工程技术有限公司 | Rainwater slagging-off desilting device |
| CN108915168A (en) * | 2018-05-30 | 2018-11-30 | 广东知识城运营服务有限公司 | A kind of rain water on roof purification recovery device |
| CN111535521B (en) * | 2020-05-11 | 2021-08-31 | 浙江奥腾建设工程有限公司 | Drainage system for house |
| CN114319739A (en) * | 2021-12-13 | 2022-04-12 | 南京信息工程大学 | Roof rainwater collecting, processing and storing integrated device and using method |
| CN115305990A (en) * | 2022-09-15 | 2022-11-08 | 李洪伟 | Green building rainwater recovery method |
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