CN208430010U - A kind of initial rainwater shunting processing system - Google Patents
A kind of initial rainwater shunting processing system Download PDFInfo
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- CN208430010U CN208430010U CN201820853802.0U CN201820853802U CN208430010U CN 208430010 U CN208430010 U CN 208430010U CN 201820853802 U CN201820853802 U CN 201820853802U CN 208430010 U CN208430010 U CN 208430010U
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Abstract
The utility model provides a kind of initial rainwater shunting processing system, it is isolated initial rainwater first with rainwater part flow arrangement and is drained to rainwater treatment device, reduce the water process burden of rainwater treatment device, promote water process specific aim, it secondly is the nested tubular structure of layering by rainwater treatment device whole design, form the sedimentation basin that layering is arranged arrangement and is successively connected to from the inside to the outside, gravel filter, zeolite filter and lime stone filter tank, not only facilitate reduction occupied area, and the mode of layering nested arrangements in filter tank at different levels makes cloth water area and uniformity of water distribution between the filter tank of different levels be increased, preferable abatement processes effect is had both；Furthermore, the optimization design of many-sided specific structure can also be passed through, it further promotes its water body sedimentation effect and promotes water treatment efficiency and harmony, take into account abatement processes effect, preferably to solve the problems, such as inlet for stom water initial rainwater to the pollution of area source of the surface water bodies such as city river.
Description
Technical field
The utility model relates to water-treatment technology field, in particular to a kind of initial rainwater shunts processing system.
Background technique
With industrial wastewater, the point-source pollutions such as sanitary sewage are gradually effectively controlled, the pollution of area source such as initial rainwater by
Step becomes the important pollution sources of the surface water bodies such as city river.
Initial rainwater refers to rainwater when rainfall initial stage, and due to rainfall initial stage, rainwater has dissolved a large amount of acidity in air
The pollution gas such as gas, vehicle exhaust, plant gas, behind ground of landing, and due to washing away roofing, asphalt concrete road
Deng, so that contain a large amount of polluter in initial rainwater, pollution level or even the pollution level for exceeding ordinary municipal sewage.
If initial rainwater directly through rain pipe it is in line enter the surface water bodies system such as river, a degree of pollution will be caused to water environment.
Currently, being directed to the pollution of initial rainwater, have the place of site condition, mostly uses low influence development technique measure
It is controlled.And the inlet for stom water for being directly discharged into river mostly uses easy filter device to go due to being limited by place space
Oil removal or biggish rubbish, it is poor for removal effects such as deliquescent pollutants, including nitrogen phosphorus, such as China's patent " one
Kind is used for the small-sized runoff sewage filter device of rainwater on road surface mouth " (patent No. 201520629709.8), using hanging with hook
Purifying rainwater is carried out in rope, water storehouse and scavenging material storehouse.And a kind of China's patent " inlet for stom water quality purifying device for water " (patent No.
201620952495.2) by the polluter in ecological filter bed removal rainwater, but have the shortcomings that land occupation is larger.However,
If only considering the occupied area of reduction initial rainwater processing unit, and it is easy the problem for bringing abatement processes not sufficiently effective.
Therefore, it is necessary to develop it is a kind of be suitable for for inlet for stom water initial rainwater pollution control processing, occupied area it is small,
And the system schema of preferable abatement processes effect is had both, to solve inlet for stom water initial rainwater to the surface water system such as city river
The pollution of area source problem of system.
Utility model content
Aiming at the above shortcomings existing in the prior art, the purpose of this utility model is to provide one kind to be suitable for inlet for stom water
The initial rainwater of initial rainwater pollution shunts processing system, and occupied area is small and has both preferable abatement processes effect, to solve
Certainly pollution of area source problem of the inlet for stom water initial rainwater to surface water bodies such as city rivers.
To achieve the above object, the technological means that the utility model uses is:
A kind of initial rainwater shunting processing system, including the rainwater part flow arrangement for carrying out initial rainwater shunting, and
Rainwater treatment device for being handled initial rainwater；The water inlet of the rainwater part flow arrangement and rainwater-collecting pipeline phase
The initial rainwater outlet of connection, rainwater part flow arrangement is connected with the water inlet of the rainwater treatment device, rainwater part flow arrangement
Remaining water overflow port and the water outlet of rainwater treatment device be connected to surface water body system；The rainwater treatment device is integrally in
Tubular, and layering from the inside to the outside is arranged and is disposed with the sedimentation basin being successively connected to, gravel filter, zeolite filter and lime stone filter tank,
Water inlet of the water inlet of the sedimentation basin as rainwater treatment device, the discharge outlet in the lime stone filter tank is as rainwater treatment
The water outlet of device.
Above-mentioned initial rainwater shunts in processing system, and as prioritization scheme, the rainwater part flow arrangement is hollow structure,
It is horizontally arranged with porous leak partition in its hollow space, the hollow space is divided into top appearance water cavity and lower part Rong Shuikong
Chamber, the water inlet and Yu Shui overflow port of rainwater part flow arrangement hold water cavity with the top and are connected, the lower part Rong Shuikong
The bottom of chamber is connected to the initial rainwater outlet of rainwater part flow arrangement, and the latus rectum of initial rainwater outlet is less than rainwater part flow arrangement
Water inlet and Yu Shui overflow port latus rectum.
Above-mentioned initial rainwater shunts in processing system, as the scheme that advanced optimizes, in the rainwater part flow arrangement, under
Portion, which holds vertically to be interspersed in water cavity, is provided with muti-piece water retaining separater, every piece of water retaining separater lateral arrangement, so that lower part holds
Water cavity is formed the pipelined channel of the snakelike shape that unrolls by water retaining separater interval.
Above-mentioned initial rainwater shunts in processing system, as prioritization scheme, the rainwater treatment device from the inside to the outside according to
It is secondary that sedimentation basin, gravel filter, zeolite filter and lime are formed by first layer next door, second layer next door and third layer next door interval
The top opening of the layering accommodating space in stone filter tank, the sedimentation basin forms water inlet, and the top in the first layer next door is formed
Be connected to sedimentation basin and gravel filter first crosses mill weir mouth, and the bottom in the second layer next door is equipped with connection gravel filter and zeolite
The water passage in filter tank, the top in the third layer next door form connection zeolite filter and the second of lime stone filter tank and cross mill weir
Mouthful, the discharge outlet in the lime stone filter tank is set to the outer wall bottom position of rainwater treatment device.
Above-mentioned initial rainwater shunts in processing system, as prioritization scheme, be provided in the sedimentation basin from bottom surface to
Sedimentation basin, is divided into the internal layer pond and outer layer pond for being arranged arrangement by upper vertically extending and tubular retaining wall, and sedimentation basin enters
The mouth of a river corresponds to the internal layer pond；The overhead height of the retaining wall is lower than the overhead height in the first layer next door, and described interior
The bottom in layer pond and outer layer pond is equipped with the sewage draining exit that can be opened and closed.
Above-mentioned initial rainwater shunts in processing system, and as prioritization scheme, first layer next door top edge is in saw
Each teeth portion size of dentation, first layer next door top edge is identical and horizontal distribution.
Above-mentioned initial rainwater shunts in processing system, and as prioritization scheme, second layer next door bottom has several
It water hole and is uniformly distributed circumferentially, forms the water passage of connection gravel filter and zeolite filter, the aperture of the water hole
Less than the particle diameter of filter medium in gravel filter and zeolite filter.
Above-mentioned initial rainwater shunts in processing system, and as prioritization scheme, third layer next door top edge is in saw
Each teeth portion size of dentation, third layer next door top edge is identical and horizontal distribution.
Above-mentioned initial rainwater shunts in processing system, and preferably, the filtrate in the gravel filter is gravel,
Particle diameter of filter medium is 16 ~ 32mm；Filtrate in the zeolite filter is clinoptilolite or modenite, and particle diameter of filter medium is 8 ~ 16mm；
Filtrate in the lime stone filter tank is lime stone, and particle diameter of filter medium is 8 ~ 16mm.
Compared with the prior art, the utility model has the following beneficial effects:
1, the initial rainwater of the utility model shunts processing system, isolates initial rainwater using rainwater part flow arrangement and drains
Reduce water process burden to rainwater treatment device so that rainwater treatment device is handled only for initial rainwater part, promoted
Water process specific aim avoids the problem that influencing abatement processes effect because water process amount is excessive.
2, the initial rainwater of the utility model shunts processing system, is that layering is nested by rainwater treatment device whole design
Tubular structure forms layering is arranged arrangement and is successively connected to from the inside to the outside sedimentation basin, gravel filter, zeolite filter and lime stone
Filter tank not only facilitates reduction occupied area, and the mode of filter tank at different levels layering nested arrangement makes the filter tank of different levels
Between cloth water area and uniformity of water distribution be increased, guarantee that rainwater treatment device has had both preferable abatement processes simultaneously
Effect.
3, the initial rainwater of the utility model shunts processing system, additionally it is possible to be set by the optimization of many-sided specific structure
Meter further promotes its water body sedimentation effect and promotes water treatment efficiency and harmony, preferably takes into account abatement processes effect
Fruit, to solve the problems, such as inlet for stom water initial rainwater to the pollution of area source of the surface water bodies such as city river.
Detailed description of the invention
Fig. 1 is that the utility model initial rainwater shunts a kind of schematic cross-sectional view of specific embodiment of processing system.
Fig. 2 is that the utility model initial rainwater shunts a kind of cuing open for processing system moderate rain specific embodiment of water diversion device
Depending on structural schematic diagram.
Fig. 3 is a kind of the vertical of specific embodiment of rainwater treatment device in the utility model initial rainwater shunting processing system
Body structural schematic diagram.
Fig. 4 is that the utility model initial rainwater shunts first layer next door one kind of rainwater treatment device in processing system preferably
The local expansion structural schematic diagram of structural design scheme.
Fig. 5 is that the utility model initial rainwater shunts second layer next door one kind of rainwater treatment device in processing system preferably
The local expansion structural schematic diagram of structural design scheme.
Fig. 6 is that the utility model initial rainwater shunts third layer next door one kind of rainwater treatment device in processing system preferably
The local expansion structural schematic diagram of structural design scheme.
Specific embodiment
With reference to the accompanying drawings and detailed description to the utility model two-chamber initial rainwater shunt processing system structure into
Row further instruction.
As shown in Figure 1, it includes for carrying out initial rainwater shunting that the initial rainwater of the utility model, which shunts processing system,
Rainwater part flow arrangement 10, and the rainwater treatment device 20 for being handled initial rainwater.Rainwater part flow arrangement 10 into
The mouth of a river 11 is connected with rainwater-collecting pipeline, initial rainwater outlet 12 and the rainwater treatment device 20 of rainwater part flow arrangement 10
Water inlet 25 be connected, the remaining water overflow port 13 of rainwater part flow arrangement 10 is connected to the water outlet 26 of rainwater treatment device 20
To surface water body system.And rainwater treatment device 20 is whole is cylindrical in shape, and layering from the inside to the outside is arranged to be disposed with and successively be connected to
Sedimentation basin 21, gravel filter 22, zeolite filter 23 and lime stone filter tank 24, the water inlet of the sedimentation basin 21 is as rainwater treatment
The water inlet 25 of device 20, water outlet 26 of the discharge outlet in the lime stone filter tank 24 as rainwater treatment device 20.
The initial rainwater of the utility model shunts processing system, isolates initial rainwater first with rainwater part flow arrangement and draws
It is flow to rainwater treatment device, and just the remaining water more than initial stage except water is directly drained to surface water body system by rainwater part flow arrangement,
So that rainwater treatment device is handled only for initial rainwater part, reduce water process burden, promotion water process is directed to
Property, it avoids the problem that influencing abatement processes effect because water process amount is excessive.Secondly, the initial rainwater in the utility model shunts
In processing system, rainwater treatment device whole design is the nested tubular structure of layering, forms layering from the inside to the outside and is arranged arrangement
And sedimentation basin, gravel filter, zeolite filter and the lime stone filter tank being successively connected to；Wherein, sedimentation basin is used for in initial rainwater
The suspended matters such as silt play precipitation；For gravel filter using gravel as filtrate, particle diameter of filter medium is preferably 16 ~ 32mm, is used for
Pass through the filtration of gravel and absorption, the degradation of gravel surface microorganism film, remove COD(COD), nitrogen, phosphorus
Equal dissolubility pollutants；Clinoptilolite or modenite can be used as filtrate in zeolite filter, and particle diameter of filter medium is preferably 8 ~ 16mm,
Absorption and ion exchange for passing through zeolite remove ammonia nitrogen, meanwhile, also dropped using the microorganism on zeolite filler surface
Solve COD(COD), ammonia nitrogen, the dissolubility pollutants such as phosphorus；Lime stone filter tank is using lime stone as filtrate, particle diameter of filter medium
Preferably 8 ~ 16mm, for passing through the further dephosphorization of suction-operated of lime stone, meanwhile, also using lime stone filter material surface
Microbial degradation COD(COD), nitrogen, the dissolubility pollutants such as phosphorus；Rainwater treatment device whole design is layering as a result,
Nested tubular structure, not only facilitates reduction occupied area, and for filter tank step by step lateral arrangement, filter tanks at different levels
It is layered the mode of nested arrangement, so that the cloth water area and uniformity of water distribution between the filter tank of different levels are increased, more
Help effectively to carry out highly efficient water process using the filtrate of different distributions position in filter tanks at different levels, while utilizing precipitating
Pond, gravel filter, zeolite filter and lime stone filter tank layer-by-layer abatement processes ability, and then guarantee rainwater treatment device entirety energy
It is enough that preferable abatement processes effect is had both while reducing occupied area.
For concrete structure design, as the preferred design of rainwater part flow arrangement 10, as shown in Fig. 2, its is whole
Body is hollow structure, and porous leak partition 14 is horizontally arranged in hollow space by the hollow space and is divided into top appearance water sky
Chamber and lower part Rong Shui cavity, the water inlet 11 and Yu Shui overflow port 13 of rainwater part flow arrangement 10 hold water cavity phase with the top
Connection, the bottom of the lower part Rong Shui cavity is connected to the initial rainwater outlet 12 of rainwater part flow arrangement 10, and initial rainwater goes out
The latus rectum of mouth 12 is less than the water inlet 11 of rainwater part flow arrangement and the latus rectum of Yu Shui overflow port 13.In the rainwater point of the preferred embodiment
Flow apparatus structure in, hole leak partition to play prevent the sundries such as fallen leaves, paper scrap enter initial rainwater outlet cause block
Effect, and the latus rectum of initial rainwater outlet is less than the water inlet of rainwater part flow arrangement and the latus rectum of Yu Shui overflow port, with realization pair
The shunting function of initial rainwater.But become larger suddenly if there is rainfall, the inflow of rainwater part flow arrangement increases suddenly can
Water feeding pressure can be caused to increase, so that the water flow of initial rainwater outlet increases suddenly, on the one hand rainwater be caused to shunt
Device is bad for the bypass flow control of initial rainwater, causes rainwater treatment device excessive in the inflow of rainfall early period and shadow
Abatement processes effect is rung, is on the other hand also easy and is caused the water inlet end flow of rainwater treatment device to spring up and rainwater treatment is caused to fill
Set the unbalanced situation of water distribution between interior each filter tank.For this purpose, being filled as further optimization design as shown in Fig. 2, being shunted in rainwater
It sets in 10, can also vertically be interspersed in the Rong Shui cavity of lower part and muti-piece water retaining separater 15 is set, every piece of water retaining separater 15
Lateral arrangement, so that lower part Rong Shui cavity is spaced the pipelined channel for forming the snakelike shape that unrolls by water retaining separater 15；Thus, it is possible to make
The water flow for obtaining initial rainwater outlet is more stable, reduces the water inlet end stream for leading to rainwater treatment device because of rainfall variation
Amount, which is sprung up, causes in rainwater treatment device there is the unbalanced situation of water distribution so that water distribution is more balanced between each filter tank between each filter tank
Water treatment efficiency and harmony are promoted conducive to further.
And the concrete structure design as rainwater treatment device, as a kind of preferred design, as shown in figures 1 and 3,
Rainwater treatment device can be designed to pass sequentially through from the inside to the outside between first layer next door 27, second layer next door 28 and third layer next door 29
Every formed sedimentation basin 21, gravel filter 22, zeolite filter 23 and lime stone filter tank 24 layering accommodating space, the sedimentation basin 21
Top opening form water inlet, the first of connection sedimentation basin 21 and gravel filter 22 is formed on the top in the first layer next door 27
Mill weir mouth is crossed, the bottom in the second layer next door 28 is equipped with the water passage of connection gravel filter 22 and zeolite filter 23, described
The top in third layer next door 29 forms connection zeolite filter 23 and the second of lime stone filter tank 24 and crosses mill weir mouth, the lime stone filter
The discharge outlet (i.e. the water outlet 26 of rainwater treatment device) in pond 24 is set to the outer wall bottom position of rainwater treatment device 20.By
This, so that initial rainwater successively passes through sedimentation basin, gravel filter, zeolite filter and the water process path in lime stone filter tank as far as possible
Length, to preferably ensure the abatement processes effect to initial rainwater.And as further optimizing structure design scheme, such as
Shown in Fig. 3 and Fig. 4,27 top edge 271 of first layer next door can be designed and be serrated, while first layer next door top edge
271 each teeth portion size is identical and horizontal distribution, is designed using the laciniation of first layer next door top edge horizontal distribution,
The unbalanced situation of regional area water distribution is formed because water flow such as springs up at the reasons when can reduce sedimentation basin to gravel filter water distribution, more
Help so that sedimentation basin, uniformly to gravel filter water distribution, promotes sedimentation basin to the equal of gravel filter water distribution from circumferential each orientation
Even property.Equally, as further optimizing structure design scheme, as shown in Figure 3 and Figure 5,28 bottom of second layer next door can be designed
Portion has several water holes 281 and is uniformly distributed circumferentially, and forms the water passage of connection gravel filter 22 and zeolite filter 23,
To promote uniformity of the gravel filter to zeolite filter water distribution, and it is necessary to ensure that the aperture of water hole 281 is less than gravel filter 22
With the particle diameter of filter medium in zeolite filter 23, with have the function that intercept filtrate.Correspondingly, as further optimizing structure design
Scheme can design 29 top edge 291 of third layer next door and be serrated as shown in Figure 3 and Figure 6, third layer next door top sides
Each teeth portion size of edge 291 is identical and horizontal distribution, to promote uniformity of the zeolite filter to lime stone filter tank water distribution.In addition,
As shown in figures 1 and 3, the discharge outlet (i.e. the water outlet 26 of rainwater treatment device) in lime stone filter tank 24 can also be along rainwater treatment
The circumferentially distributed setting in the outer wall bottom of device 20 is multiple, preferably to ensure the uniformity of lime stone filter tank water outlet.
In addition, and as rainwater treatment device structure design advanced optimize improvement, as shown in Figure 1, can design it is heavy
It is provided in shallow lake pond 21 by the upward vertically extending and tubular retaining wall 211 in bottom surface, sedimentation basin 21 is divided into and is arranged arrangement
Internal layer pond 212 and outer layer pond 213, and the water inlet of sedimentation basin 21 corresponds to the internal layer pond 212；The top of the retaining wall 211
Height is lower than the overhead height in the first layer next door 27, and be equipped with can for the bottom in the internal layer pond 212 and outer layer pond 213
The sewage draining exit 214 of folding.Thus the sedimentation basin of structure design, the initial rainwater for entering sedimentation basin from water inlet first flow into internal layer pond
First time precipitating is carried out, since the overhead height of retaining wall is lower than the overhead height in first layer next door, initial rainwater fills with interior
Outer layer pond can be entered after layer pond from the top edge overflow of retaining wall and carry out second of precipitating, then initial rainwater can just fill with whole
A sedimentation basin, and then gravel filter is entered by the top edge overflow in first layer next door, facilitate to reduce from sedimentation basin in this way
Enter impact of the primary rainwater of water inflow for outer layer pool inner water body, it is ensured that the suspended matter in the water body in outer layer pond obtains preferably
Precipitating, promotes the whole sedimentation effect of sedimentation basin.
Certainly, other than the above-mentioned optimizing design scheme enumerated, those skilled in the art can also design according to having
Experience shunts the utility model initial rainwater the specific structure of processing system moderate rain water diversion device, rainwater treatment device
Using other design schemes for meeting function and use demand.
In conclusion the initial rainwater of the utility model shunts processing system, isolated first with rainwater part flow arrangement
Initial rainwater is drained to rainwater treatment device, so that rainwater treatment device is handled only for initial rainwater part, reduces water
Processing load promotes water process specific aim, avoids the problem that influencing abatement processes effect because water process amount is excessive；Secondly by rain
Water treatment facilities whole design is to be layered nested tubular structure, and formation layering from the inside to the outside is arranged arrangement and what is be successively connected to sinks
Shallow lake pond, gravel filter, zeolite filter and lime stone filter tank not only facilitate reduction occupied area, and filter tank at different levels layering is embedding
The mode of set arrangement makes cloth water area and uniformity of water distribution between the filter tank of different levels be increased, and guarantees at rainwater
Reason device has had both preferable abatement processes effect simultaneously；In addition, the initial rainwater shunting processing system of the utility model can also
Enough optimization designs by many-sided specific structure, further promote its water body sedimentation effect and promoted water treatment efficiency and
Harmony preferably takes into account abatement processes effect, to solve inlet for stom water initial rainwater to the face source of the surface water bodies such as city river
Pollution problem.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to embodiment, those skilled in the art should understand that, it can be practical to this
Novel technical solution is modified or replaced equivalently, without departing from the objective and range of technical solutions of the utility model,
It should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of initial rainwater shunts processing system, which is characterized in that shunted including the rainwater for carrying out initial rainwater shunting
Device, and the rainwater treatment device for being handled initial rainwater；
The water inlet of the rainwater part flow arrangement is connected with rainwater-collecting pipeline, the outlet of the initial rainwater of rainwater part flow arrangement with
The water inlet of the rainwater treatment device is connected, the water outlet of remaining the water overflow port and rainwater treatment device of rainwater part flow arrangement
It is connected to surface water body system；
The rainwater treatment device is integrally cylindrical in shape, and layering from the inside to the outside is arranged and is disposed with the sedimentation basin being successively connected to, gravel
Filter tank, zeolite filter and lime stone filter tank, water inlet of the water inlet of the sedimentation basin as rainwater treatment device, the lime
Water outlet of the discharge outlet in stone filter tank as rainwater treatment device.
2. initial rainwater according to claim 1 shunts processing system, which is characterized in that during the rainwater part flow arrangement is
Hollow structure is horizontally arranged with porous leak partition in hollow space the hollow space is divided into top and holds water cavity and lower part
Hold water cavity, the water inlet and Yu Shui overflow port of rainwater part flow arrangement hold water cavity with the top and be connected, the lower part
The bottom for holding water cavity is connected to the initial rainwater outlet of rainwater part flow arrangement, and the latus rectum of initial rainwater outlet is less than rainwater point
Flow the water inlet of device and the latus rectum of Yu Shui overflow port.
3. initial rainwater according to claim 2 shunts processing system, which is characterized in that in the rainwater part flow arrangement,
It is vertically interspersed in the Rong Shui cavity of lower part and is provided with muti-piece water retaining separater, every piece of water retaining separater lateral arrangement, so that lower part
Hold the pipelined channel that water cavity is formed the snakelike shape that unrolls by water retaining separater interval.
4. initial rainwater according to claim 1 shunts processing system, which is characterized in that the rainwater treatment device is by interior
Sedimentation basin, gravel filter, zeolite filter are formed to first layer next door, second layer next door and third layer next door interval is passed sequentially through outside
Water inlet, the top in the first layer next door are formed with the top opening of the layering accommodating space in lime stone filter tank, the sedimentation basin
Portion forms connection sedimentation basin and the first of gravel filter and crosses mill weir mouth, and the bottom in the second layer next door is equipped with connection gravel filter
With the water passage of zeolite filter, the second mistake of connection zeolite filter and lime stone filter tank is formed on the top in the third layer next door
The discharge outlet of mill weir mouth, the lime stone filter tank is set to the outer wall bottom position of rainwater treatment device.
5. initial rainwater according to claim 4 shunts processing system, which is characterized in that be provided in the sedimentation basin by
Sedimentation basin, is divided into the internal layer pond and outer layer pond for being arranged arrangement, and precipitate by the upward vertically extending and tubular retaining wall in bottom surface
The water inlet in pond corresponds to the internal layer pond；The overhead height of the retaining wall is lower than the overhead height in the first layer next door, and
The bottom in the internal layer pond and outer layer pond is equipped with the sewage draining exit that can be opened and closed.
6. initial rainwater according to claim 4 shunts processing system, which is characterized in that first layer next door top sides
Edge is serrated, and each teeth portion size of first layer next door top edge is identical and horizontal distribution.
7. initial rainwater according to claim 4 shunts processing system, which is characterized in that second layer next door bottom tool
There are several water holes and be uniformly distributed circumferentially, forms the water passage of connection gravel filter and zeolite filter, the water hole
Aperture be less than gravel filter and zeolite filter in particle diameter of filter medium.
8. initial rainwater according to claim 4 shunts processing system, which is characterized in that third layer next door top sides
Edge is serrated, and each teeth portion size of third layer next door top edge is identical and horizontal distribution.
9. initial rainwater according to claim 1 shunts processing system, which is characterized in that the filtrate in the gravel filter
For gravel, particle diameter of filter medium is 16 ~ 32mm；Filtrate in the zeolite filter is clinoptilolite or modenite, particle diameter of filter medium 8
~16mm；Filtrate in the lime stone filter tank is lime stone, and particle diameter of filter medium is 8 ~ 16mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820853802.0U CN208430010U (en) | 2018-06-04 | 2018-06-04 | A kind of initial rainwater shunting processing system |
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| CN201820853802.0U CN208430010U (en) | 2018-06-04 | 2018-06-04 | A kind of initial rainwater shunting processing system |
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| CN208430010U true CN208430010U (en) | 2019-01-25 |
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2018
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