CN207048193U - A kind of Green Roof for rainwater recycle purification - Google Patents
A kind of Green Roof for rainwater recycle purification Download PDFInfo
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- CN207048193U CN207048193U CN201720396077.4U CN201720396077U CN207048193U CN 207048193 U CN207048193 U CN 207048193U CN 201720396077 U CN201720396077 U CN 201720396077U CN 207048193 U CN207048193 U CN 207048193U
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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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/254—Roof garden systems; Roof coverings with high solar reflectance
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/32—Roof garden systems
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Abstract
The utility model provides a kind of Green Roof for rainwater recycle purification; it includes roof structure layer and is arranged at the parapet of roof structure layer surrounding; protective layer is sequentially provided with the roof structure layer, crosses filter drainage layer, hypothallus and vegetable layer; the filter drainage layer of crossing is connected with drainpipe; the drainpipe is connected with cistern, built-in BioBox systems in the drainpipe.The utility model is on the basis of traditional rainwater resource Exploitation and utilization model, stress the control of source Rainwater Quality and water, build small-sized Green Roof (roofing) with suiting measures to local conditions, the solid small particles suspension in rainwater, micro metal ion, nutritive salt and organic matter etc. can be effectively removed, the early-stage rainwater after processing is reached municipal usage water quality objective.
Description
Technical field
The utility model belongs to resource and environment technical field, is related to a kind of Green Roof, more particularly to a kind of soil collection
The about Green Roof for being used for rainwater recycle purification of type.
Background technology
In recent years, as urban construction is fast-developing, urban garden and green space system is drastically reduced, the increase on waterproof ground, is broken
Be broken the nature hydrology ecological balance, and then various Ecology problems occur, be mainly shown as municipal lake water quality deteriorate,
Rainwater resource is lost in, Urban Flood Waterlogging takes place frequently, soil water source cut-off and rainwater runoff pollution are serious etc..How scientificlly and effectively
Manage the construction of landscape ecology in cities, especially Ecology civilization and sponge city, it has also become townscape garden management faces
Emphasis and one of difficult point.
" low influence exploitation " (Low Impact Developmengt, LID) is Ecology administrative skill, advocate by
Source causes the hydrology-water quality characteristic after regionl development and before exploitation basic one using some small-sized distributing eco-treatment technologies
Cause, the synchronous protection target of municipal lake water quality and quantity is realized by the structure of ecoscape.Based on the low rainwater for influenceing exploitation
Scatter Gather, under ooze key technology with disposal, be to establish the low influence in city under the conditions of urban development transition and southern climates to open
Send out the research emphasis of rainwater comprehensive utilization.
Green Roof is emerging city surface source pollution control method, often by as kind of Best Management Practices (Best
Management Practices) use, and the low important component for influenceing development technique system.Since the 90's,
Some domestic big cities start Accelerating The Construction Green Roof, however, the purpose promoted often biases toward its landscape value, energy-conservation valency
Value etc., existing design specification is also only described to roof bearing capacity, Plant choosing and construction technology etc., and is ignored
The pollution control emission reduction ability of Green Roof so that Green Roof rainy day runoff often contains more pollutant.
The A of CN 105756293 disclose a kind of Green Roof structure and its construction method, and the Green Roof structure includes
Roof and the parapet for being arranged on roof periphery, waterproof layer is provided with the roof in parapet, geotechnique is provided with waterproof layer
Film, pumice layer is provided with geomembrane, pumice layer top is provided with the first geotextiles, organic fertilizer is provided with the first geotextiles,
Kind is implanted with green plants on organic fertilizer, and the Drainage Division periphery on roof is additionally provided with stop relief portion.Green Roof knot described in it
Structure has water-proof function, can provide comfortable living environment.
The A of CN 106223553 disclose a kind of roof drainage structure, including frame body, cloth tank, the water that upper end is opening
Pump, green plants, horizontal drain pipe, vertical drainage pipe, overflow pipe, the inside of the frame body set gradually to cover from top to bottom
Cap rock, nutrient matrix layer, impervious barrier, reservoir bed, water distributing pore are provided with the cloth tank, cloth tank is fixed on the side of frame body
Bian Shang, and the top of layer is positioned over, the green plants is planted on nutrient matrix layer, and the water pump can be by reservoir bed
Water is delivered in cloth tank；Hole is provided with the reservoir bed, the overflow pipe is fixed in hole vertically, the horizontal drain pipe
One end is connected with overflow pipe, and the other end is connected with vertical drainage pipe.Described roof drainage structure has preferable draining
Effect is good.
But above-mentioned Green Roof structure is not particularly suited for handling the rainwater that sediment charge is high and pollutional load is heavy, for
Sediment charge is high in rainfall runoff and the situation of pollutional load weight, its rainwater discharged often can not be utilized directly, causes resource
The waste of environment；And for the rainwater being contaminated, tend to cause secondary pollution.
Utility model content
It is not suitable for handling the rainwater that sediment charge is high and pollutional load is big for existing Green Roof structure, for drop
Sediment charge is high in rain runoff and the situation of pollutional load weight, its rainwater discharged often can not be utilized directly, causes resource ring
The waste in border；And for the rainwater being contaminated, tend to cause secondary pollution problems, the utility model provides one
Kind is used for the Green Roof of rainwater recycle purification.The utility model is on the basis of traditional rainwater resource Exploitation and utilization model, side
The control of heavy source head Rainwater Quality and water, build small-sized Green Roof (roofing) with suiting measures to local conditions, effectively can remove in rainwater
Solid small particles suspension, micro metal ion, nutritive salt and organic matter etc., reach the early-stage rainwater after processing
To municipal usage water quality objective.
To use following technical scheme up to this purpose, the utility model：
The utility model provides a kind of Green Roof, including roof structure layer and the female for being arranged at roof structure layer surrounding
Youngster's wall, protective layer is sequentially provided with the roof structure layer, crosses filter drainage layer, hypothallus and vegetable layer, it is described to cross filter drainage layer
It is connected with drainpipe, the drainpipe is connected with cistern, built-in BioBox systems in the drainpipe.
Wherein, the protective layer includes waterproof layer and anti-root layer, lap width >=10cm of protective layer；The filtering draining
Layer includes water storage drainage blanket and filter layer from the bottom to top；
The filter drainage layer and drainpipe connecting place crossed is discharge outlet, and discharge outlet periphery sets gravel endless belt；
The BioBox systems include topsoil, upper screen, mixing filter material layer, lower screen, ovum successively from top to bottom
Stone packed layer and perforation outlet pipe.
Green Roof described in the utility model is applied to the rainwater that processing sediment charge is high and pollutional load is big, and its is turbid
Spend for more than 20, such as 21,23,25,27,29,30,33,35 or 37 etc. and higher, it is not limited to cited number
Value, other interior unrequited numerical value of the number range are equally applicable；Soluble solid content is more than 2500mg/L, such as
2600mg/L, 2800mg/L, 3000mg/L, 3200mg/L, 3400mg/L, 3600mg/L, 3800mg/L or 4000mg/L etc. with
And it is higher, it is not limited to cited numerical value, other interior unrequited numerical value of the number range are equally applicable.
In the utility model, the waterproof layer and anti-root layer can be combined into one layer.There are the protective layer two to act on, and one
It is the infiltration for preventing rainwater and irrigation water, second, penetrating for root system of plant can be resisted for a long time.
In the utility model, the effect of the filter layer is to prevent matrix from entering water storage drainage blanket, and it is needed with draining
Function, also to prevent drainpipe Sediment Siltation.
In the utility model, discharge outlet periphery sets gravel endless belt purpose to be to ensure do not have plant around discharge outlet,
And then ensure that draining is unobstructed, do not bring matrix into, and play certain windbreak function., the settable draining observation well of discharge outlet, periodically
The unobstructed situation of roof drainage system is checked, dry branches and fallen leaves is cleared up in time, prevents draining blockage from causing to choke water refluence.
The preferable technical scheme of the utility model is used as below, but not as the limit of technical scheme provided by the utility model
System, by the following technical programs, can preferably reach and realize technical purpose and beneficial effect of the present utility model.
As the preferable technical scheme of the utility model, the material of the protective layer is in alloy, rubber, PE or HDPE
Any one or at least two combination, it is described combination typical case but non-limiting examples have：The combination of alloy and rubber, PE and
HDPE combination, rubber and PE combination, the combination of rubber, PE and HDPE, the combination etc. of alloy, rubber, PE and HDPE.It is described
Protective layer extends to parapet and is higher than hypothallus at least 15cm, for example, 16cm, 18cm, 20cm, 22cm, 24cm, 26cm or
28cm etc. and higher, it is not limited to cited numerical value, other unrequited numerical value are equally applicable in the number range.
As the preferable technical scheme of the utility model, the water storage drainage blanket is connected with drainpipe, the material of filter layer
For polyester fiber non-woven fabric, it is not limited to polyester fiber non-woven fabric, other not only can guarantee that permeable but also filtrable material was same
Sample is applied to the utility model, but also needs to consider the weight of material, to prevent causing excessive pressure to roof.The storage
The effective width of overlapping the slot is 10cm~20cm between water drainage blanket and filter layer, for example, 11cm, 12cm, 13cm, 14cm,
15cm, 16cm, 17cm, 18cm or 19cm etc., it is not limited to cited numerical value, other are unrequited in the number range
Numerical value it is equally applicable.The filter drainage layer of crossing extends to 3cm~5cm below hypothallus top layer to parapet, such as 3.3cm,
3.5cm, 3.7cm, 4cm, 4.3cm, 4.5cm or 4.7cm etc., it is not limited to cited numerical value, in the number range its
His unrequited numerical value is equally applicable.
In the utility model, the water storage drainage blanket is typically using the different water storage draining shape such as water storage and drainage plate or pottery gravel
Formula, effect is the aeration status for improving matrix, discharges excessive moisture rapidly, effectively alleviate instantaneous pressure, and can store a small amount of
Moisture.
As the preferable technical scheme of the utility model, the width of the gravel endless belt is 60cm~100cm, such as
63cm, 65cm, 70cm, 75cm, 80cm, 85cm, 90cm, 95cm or 97cm etc., it is not limited to cited numerical value, the number
Other unrequited numerical value are equally applicable in the range of value.
As the preferable technical scheme of the utility model, the hypothallus is prepared by leaf mould, sandy soil, vermiculite and perlite
Into its allocation ratio is (10~15):(6~8):1:(3~4), such as 11:(6~8):1:(3~4), 12:(6~8):1:
(3~4), 13:(6~8):1:(3~4), 14:(6~8):1:(3~4), (10~15):6.5:1:(3~4), (10~15):
7:1:(3~4), (10~15):7.5:1:(3~4), (10~15):(6~8):1:3.5th, (10~15):(6~8):1:4 or
(10~15):(6~8):1:4.5 etc., and for example 11:6:1:3、12:7:1:3.5、13:7:1:4 or 14:8:1:4 etc., but simultaneously not only
It is limited to cited numerical value, other unrequited numerical value are equally applicable in the number range, and preferably 10:8:1:4.The base
The thickness of matter layer is 10cm~20cm, such as 11cm, 12cm, 13cm, 14cm, 15cm, 16cm, 17cm, 18cm or 19cm etc.,
It is not limited to cited numerical value, other interior unrequited numerical value of the number range are equally applicable.
The hypothallus refers to meet plant growing condition have certain permeance property, water-holding capacity and spatial stability
The light material layer of property.Planting matrix for roof greening need to possess three primary conditions：There is certain retain water and nutrients ability,
Good permeability；There is certain chemical buffer ability, keep the ratio etc. of good water, gas and nutrient；It is in light weight, roof will not be given
Bring excessive pressure.Matrix in hypothallus mainly includes conditioned soil and ultralight amount matrix two types.Conditioned soil by rural area soil,
Adrainage material, aglite and fertilizer mix；Ultralight amount matrix is bred as layer and draining water conservation layer by surface coating, plant
Three parts form.
As the preferable technical scheme of the utility model, in the vegetable layer (4) plant be height ＜ 30cm shrub,
Any one in lawn, cover plant or vines plants or at least two combination, it is described to combine typical but non-limiting reality
Example has：Height ＜ 25cm shrub and the combination on lawn, the combination of cover plant and vines plants, height ＜ 20cm filling
Wood, the combination of lawn and cover plant, the combination of height ＜ 15cm shrub, lawn, cover plant and vines plants.
In the utility model, plant should select the flourishing plant of fibrous root in vegetable layer, and root system puncture should not be selected stronger
Plant, prevent root system of plant from penetrating building waterproof layer；Selection easily transplanting, resistance to trimming, resistance to low level management and slow-growing plant
Thing；Selection lays the dust, anti-soil, wind resistance, drought-enduring, high temperature resistant, the plant of cold-resistant, Salt And Alkali Tolerance and disease and insect resistance；Large-scale Qiao is not had to as far as possible
Wood, drought-enduring small-sized arbor can be planted when having ready conditions on a small quantity.
As the preferable technical scheme of the utility model, the BioBox systems at the middle and upper levels native thickness for 20cm~
25cm, such as 21cm, 22cm, 23cm or 24cm etc., it is not limited to cited numerical value, interior other of the number range do not arrange
The numerical value of act is equally applicable.The topsoil is made up of filter sand and zeolite.
As the preferable technical scheme of the utility model, the BioBox systems at the middle and upper levels filter screen material for carbon content it is low
In 0.25wt% stainless steel wire, i.e. low carbon stainless steel silk.
As the preferable technical scheme of the utility model, the thickness that filter material layer is mixed in the BioBox systems is 90cm
~110cm, such as 91cm, 93cm, 95cm, 97cm, 99cm, 101cm, 103cm, 105cm, 107cm or 109cm etc., but not
Cited numerical value is only limitted to, other unrequited numerical value are equally applicable in the number range.The mixing filter material layer is containing mixing
Filtering material particle；The mixing filtering material particle is by microbial bacteria, wood activated charcoal, stalk crushed material and chemical assistant mixing granulation system
, the microbial bacteria, wood activated charcoal, the mass ratio of stalk crushed material and chemical assistant are (10~15):(20~30):
(15~20):(5~10), such as 11:(20~30):(15~20):(5~10), 12:(20~30):(15~20):(5~
10)、 13:(20~30):(15~20):(5~10), 14:(20~30):(15~20):(5~10), (10~15):22:
(15~20):(5~10), (10~15):24:(15~20):(5~10), (10~15):26:(15~20):(5~10),
(10~15):28:(15~20):(5~10), (10~15):(20~30):16:(5~10), (10~15):(20~30):
17:(5~10), (10~15):(20~30):18:(5~10), (10~15):(20~30):19:(5~10), (10~
15):(20~30):(15~20):6th, (10~15):(20~30):(15~20):7th, (10~15):(20~30):(15~
20):8 or (10~15):(20~30):(15~20):9 etc., and for example 10:20:15:5、11:22:16:6、12:24:17:7、
13:26:18:8、14:28:19:9 or 15:30:20:10 etc., it is not limited to cited numerical value, in the number range its
His unrequited numerical value is equally applicable.
In the utility model, the microbial bacteria is nitrifier, denitrifying bacterium and dephosphorization bacterial；The chemical assistant is 16
The composition of alkyl trimethyl ammonium bromide, nano hydrated ferric oxide particle and disodium hydrogen phosphate, its mass ratio are (1~5):(1~
5):(5~10).
In the utility model, include microbe composition in the mixing filter material layer, include chemical assistant, microbes again
Biomembrane is formed in surface of material, grease and solid suspension are further filtered；The chemical assistant of addition can be water-treated
Microorganism is modified in journey, microorganism is carried out fast breeding, improves and Organic substance in water and heavy metal components are gone
Remove.Meanwhile separated using in stalk crushed material containing substantial amounts of cellulose in the presence of chemical agent, make it have good
Good absorption heavy metal and organic substance adsorption effect.
As the preferable technical scheme of the utility model, the material of lower screen is fibre bundle mistake in the BioBox systems
Filter screen；The thickness of the cobble packed layer is 25cm~30cm, such as 26cm, 27cm, 28cm or 29cm etc., but is simultaneously not only limited
It is equally applicable in other unrequited numerical value in cited numerical value, the number range.
In the utility model, the BioBox systems are precipitated by solid, remove rain in a manner of plant absorption and restoration of the ecosystem etc.
Pollutant in water, its layer of plants, topsoil, upper screen, concrete layer of sand, lower screen and cobble packed layer phase interworking
Close, the organic pollution such as layer of plants is mainly used in denitrogenating, phosphorus；Topsoil and filter screen can carry out preliminary to larger solid suspension
Filtering；Mixing filtrate is the key of BioBox systems, microorganism therein and chemical agent collective effect layer by layer, is had well
Remove the effect of micro-content organism, heavy metal and solid suspension；Lower screen and cobble are adsorbable and purify fine suspension
And trace metal ion, and then have to most of pollutant such as solid suspension, phosphorus, nitrogen, grease and heavy metal and preferably go
Except effect.
The processing procedure of above-mentioned Green Roof is：Rainwater by vegetable layer, hypothallus and crosses filter drainage layer into row successively
Water pipe, then the filtration, purification through the BioBox systems in drainpipe, must reach municipal usage water quality objective uses water.
Compared with prior art, the utility model has the advantages that：
The utility model is on the basis of traditional rainwater resource Exploitation and utilization model, by Green Roof and BioBox systems
It is combined, Green Roof floor space on the one hand can be made small, and treatment effeciency is high, rainwater treatment efficiency is reached 50%, together
When can with flood peak clipping flow, reduce runoff erosion；On the other hand solid small particles suspension in rainwater, micro- can effectively be removed
Metal ion, nutritive salt and the organic matter of amount, allow the early-stage rainwater after processing to reach municipal usage water quality objective.
Brief description of the drawings
Fig. 1 is the structural representation of Green Roof described in the utility model；
Wherein, 1- protective layers, 2- cross filter drainage layer, 3- hypothalluses, 4- vegetable layers, 5- drainpipes, 6- gravels endless belt.
Embodiment
For the utility model is better described, the technical solution of the utility model is readily appreciated, below to the utility model
It is further described.But following embodiments is only simple example of the present utility model, does not represent or limit this practicality
New rights protection scope, scope of protection of the utility model are defined by claims.
As shown in figure 1, the utility model specific embodiment part provides a kind of Green Roof, including roof structure layer and
The parapet of roof structure layer surrounding is arranged at, protective layer 1 is sequentially provided with the roof structure layer, crosses filter drainage layer 2, base
Matter layer 3 and vegetable layer 4, the filter drainage layer 2 of crossing are connected with drainpipe 5, and the drainpipe 5 is connected with cistern, the draining
Built-in BioBox systems in pipe 5.
Wherein, the protective layer 1 includes waterproof layer and anti-root layer, lap width >=10cm of protective layer 1；The filtering row
Water layer 2 includes water storage drainage blanket and filter layer from the bottom to top；
The filter drainage layer 2 and the connecting place of drainpipe 5 crossed is discharge outlet, and discharge outlet periphery sets gravel endless belt 6；
The BioBox systems include topsoil, upper screen, mixing filter material layer, lower screen, ovum successively from top to bottom
Stone packed layer and perforation outlet pipe.
It is below the utility model typical case but non-limiting example：
Embodiment 1：
Present embodiments provide a kind of Green Roof, including roof structure layer and the daughter for being arranged at roof structure layer surrounding
Wall, protective layer 1 is sequentially provided with the roof structure layer, crosses filter drainage layer 2, hypothallus 3 and vegetable layer 4, the filtering draining
Layer 2 is connected with drainpipe 5, and the drainpipe 5 is connected with cistern, built-in BioBox systems in the drainpipe 5.
Wherein, the protective layer 1 includes waterproof layer and anti-root layer, and its lap width is 15cm, and the protective layer 1 is to daughter
Wall extends above at least 15cm of hypothallus 3；
The filter drainage layer 2 of crossing includes water storage drainage blanket and filter layer, water storage drainage blanket and the phase of drainpipe 5 from the bottom to top
Even, the material of filter layer is polyester fiber non-woven fabric, and the effective width of overlapping the slot is 15cm between water storage drainage blanket and filter layer；
Cross filter drainage layer 2 and extend to 4cm below the top layer of hypothallus 3 to parapet；
The filter drainage layer 2 and the connecting place of drainpipe 5 crossed is discharge outlet, and discharge outlet periphery sets gravel endless belt 6, gravel
The width of endless belt 6 is 80cm；
The unit weight amount of the hypothallus 3 is 0.5T/m3, it is configured to by leaf mould, sandy soil, vermiculite and perlite, and it is matched somebody with somebody
Ratio is put as 10:8:1:4, the thickness of hypothallus 3 is 15cm.
The combination of plant is height ＜ 30cm in the vegetable layer 4 shrub, lawn, cover plant and vines plants；
The BioBox systems include topsoil, upper screen, mixing filter material layer, lower screen, ovum successively from top to bottom
Stone packed layer and perforation outlet pipe.
Wherein, the thickness of topsoil is 23cm；The material of upper screen is the stainless steel wire that carbon content is less than 0.25wt%；
Mix filter material layer thickness be 100cm, mixing filter material layer by containing mixing filtering material particle, it is described mix filtering material particle by
Microbial bacteria, wood activated charcoal, stalk crushed material and chemical assistant mixing granulation are made, and its mass ratio is 13:25:17:6；It is micro-
Biological bacteria is nitrifier, denitrifying bacterium and dephosphorization bacterial；Chemical assistant is cetyl trimethylammonium bromide, nano hydrated ferric oxide
The composition of particle and disodium hydrogen phosphate, its mass ratio are 3:3:7；
The material of lower screen is fibre bundle filtration net；The thickness of cobble packed layer is 27cm.
It is 23 that Green Roof described in embodiment, which is used to handle turbidity, and soluble solid content reaches 3000mg/L rain
Water, rainwater turbidity after processing are 10, and soluble solid content is 890mg/L, ammonia-nitrogen content 8.6mg/L, and dissolved oxygen contains
Measure as 4.2mg/L, reach municipal usage water quality objective.
Embodiment 2：
A kind of Green Roof is present embodiments provided, the structure of the Green Roof is roughly the same with embodiment 1, difference
It is only that：
The lap width of protective layer 1 is 12cm, and the effective width of overlapping the slot is 10cm between water storage drainage blanket and filter layer；
Cross filter drainage layer 2 and extend to 3cm below the top layer of hypothallus 3 to parapet；The width for the gravel endless belt that discharge outlet periphery is set
For 60cm；The unit weight amount of hypothallus 3 is 0.2T/m3, the thickness of hypothallus 3 is 10cm, and hypothallus 3 is by leaf mould, sandy soil, vermiculite
It is configured to perlite, its allocation ratio is 11:7:1:3.5；
Native thickness is 20cm to the BioBox systems at the middle and upper levels；The thickness for mixing filter material layer is 90cm, mixes filter material layer
Mixing filtering material particle in microbial bacteria, wood activated charcoal, the mass ratio of stalk crushed material and chemical assistant be 10:20:15:5；
The mass ratio of cetyl trimethylammonium bromide, nano hydrated ferric oxide particle and disodium hydrogen phosphate is 1 in chemical assistant:1:5；
The thickness of cobble packed layer is 25cm.
It is 22 that Green Roof described in embodiment, which is used to handle turbidity, the rainwater that soluble solid Content is
2600mg/L, the turbidity of the rainwater after processing is 9, and soluble solid content is 990mg/L, ammonia-nitrogen content 9mg/L, is dissolved
Oxygen content is 5mg/L, reaches municipal usage water quality objective.
Embodiment 3：
A kind of Green Roof is present embodiments provided, the structure of the Green Roof is roughly the same with embodiment 1, difference
It is only that：
The lap width of protective layer 1 is 11cm, and the effective width of overlapping the slot is 20cm between water storage drainage blanket and filter layer；
Cross filter drainage layer 2 and extend to 5cm below the top layer of hypothallus 3 to parapet；The width for the gravel endless belt that discharge outlet periphery is set
For 100cm；The unit weight amount of hypothallus 3 is 0.8T/m3, the thickness of hypothallus 3 is 20cm, and hypothallus 3 is by leaf mould, sandy soil, leech
Stone and perlite are configured to, and its allocation ratio is 15:6:1:3
Native thickness is 25cm to the BioBox systems at the middle and upper levels；The thickness for mixing filter material layer is 110cm, mixes filter material layer
Mixing filtering material particle in microbial bacteria, wood activated charcoal, the mass ratio of stalk crushed material and chemical assistant be 15:30:20:
10；The mass ratio of cetyl trimethylammonium bromide, nano hydrated ferric oxide particle and disodium hydrogen phosphate is 5 in chemical assistant:
3:10；The thickness of cobble packed layer is 30cm.
It is 24 that Green Roof described in embodiment, which is used to handle turbidity, the rainwater that soluble solid Content is
2800mg/L, the turbidity of the rainwater after processing are 10, and soluble solid content is 910mg/L, ammonia-nitrogen content 9.3mg/L,
Dissolved oxygen content is 3.7mg/L, reaches municipal usage water quality objective.
Comparative example 1：
This comparative example provides a kind of Green Roof, and the Green Roof in drainpipe 5 except being not provided with BioBox systems
Outside, other structures are in the same manner as in Example 1.
It is 23 that the described Green Roof of this contrast, which is used to handle turbidity, the rainwater that soluble solid Content is
3000mg/L, the turbidity of the rainwater after processing is 16, and soluble solid content is 2100mg/L, ammonia-nitrogen content 13.2mg/
L, dissolved oxygen content 1mg/L, not up to municipal usage water quality objective.
Comparative example 2：
This comparative example provides a kind of Green Roof, and the Green Roof is not except including mixing filtrate in BioBox systems
Layer is outer, and other structures are in the same manner as in Example 1.
It is 23 that the described Green Roof of this contrast, which is used to handle turbidity, the rainwater that soluble solid Content is
3000mg/L, the turbidity of the rainwater after processing is 15, and soluble solid content is 1900mg/L, ammonia-nitrogen content 12.1mg/
L, dissolved oxygen content 2.9mg/L, not up to municipal usage water quality objective.
Comparative example 3：
This comparative example provides a kind of Green Roof, and the Green Roof in BioBox systems except mixing in filter material layer not
Outside including chemical assistant, other structures are in the same manner as in Example 1.
It is 23 that the described Green Roof of this contrast, which is used to handle turbidity, the rainwater that soluble solid Content is
3000mg/L, the turbidity of the rainwater after processing are 15, and soluble solid content is 2010mg/L, ammonia-nitrogen content 11mg/L,
Dissolved oxygen content is 2.1mg/L, not up to municipal usage water quality objective.
Integrated embodiment 1-3 and comparative example 1-3 result can be seen that the utility model and develops profit in traditional rainwater resource
On the basis of pattern, Green Roof is combined with BioBox systems, Green Roof floor space on the one hand can be made small, and
Treatment effeciency is high, rainwater treatment efficiency is reached 50%, while can reduce runoff erosion with flood peak clipping flow；On the other hand
The solid small particles suspension in rainwater, micro metal ion, nutritive salt and organic matter can be effectively removed, is made first after processing
Phase rainwater can reach municipal usage water quality objective.
Applicant states that the utility model illustrates detailed process equipment and work of the present utility model by above-described embodiment
Skill flow, but the utility model is not limited to above-mentioned detailed process equipment and technological process, that is, does not mean that the utility model
Having to rely on above-mentioned detailed process equipment and technological process could implement.Person of ordinary skill in the field is it will be clearly understood that right
Any improvement of the present utility model, the adding of equivalence replacement and auxiliary element to each raw material of the utility model product, specific side
Selection of formula etc., within the scope of all falling within the scope of protection of the utility model and disclosing.
Claims (9)
1. a kind of Green Roof, including roof structure layer and the parapet for being arranged at roof structure layer surrounding, it is characterised in that institute
State and protective layer (1) is sequentially provided with roof structure layer, cross filter drainage layer (2), hypothallus (3) and vegetable layer (4), the filtering row
Water layer (2) is connected with drainpipe (5), and the drainpipe (5) is connected with cistern, built-in BioBox systems in the drainpipe (5)
System；
Wherein, the protective layer (1) includes waterproof layer and anti-root layer, lap width >=10cm of protective layer (1)；The filtering row
Water layer (2) includes water storage drainage blanket and filter layer from the bottom to top；
The filter drainage layer (2) and drainpipe (5) connecting place crossed is discharge outlet, and discharge outlet periphery sets gravel endless belt (6)；
The BioBox systems include topsoil, upper screen, mixing filter material layer, lower screen, cobble and filled out successively from top to bottom
Fill layer and perforation outlet pipe.
2. Green Roof according to claim 1, it is characterised in that the protective layer (1) extends and is higher than to parapet
Hypothallus (3) at least 15cm.
3. Green Roof according to claim 1, it is characterised in that the water storage drainage blanket crossed in filter drainage layer (2)
It is connected with drainpipe (5), the material of filter layer is polyester fiber non-woven fabric；Overlapping the slot between the water storage drainage blanket and filter layer
Effective width be 10cm~20cm；It is described cross filter drainage layer (2) to parapet extend to 3cm below hypothallus (3) top layer~
5cm。
4. Green Roof according to claim 1, it is characterised in that the width of the gravel endless belt (6) be 60cm~
100cm。
5. Green Roof according to claim 1, it is characterised in that the thickness of the hypothallus (3) is 10cm~20cm.
6. Green Roof according to claim 1, it is characterised in that plant is height ＜ 30cm in the vegetable layer (4)
Shrub, lawn, any one in cover plant or vines plants or at least two combination.
7. Green Roof according to claim 1, it is characterised in that native thickness is the BioBox systems at the middle and upper levels
20cm~25cm.
8. Green Roof according to claim 1, it is characterised in that the thickness of filter material layer is mixed in the BioBox systems
For 90cm~110cm；Mixing filter material layer filtering material particle containing mixing.
9. Green Roof according to claim 1, it is characterised in that the material of lower screen is in the BioBox systems
Fibre bundle filtration net；The thickness of the cobble packed layer is 25cm~30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396077.4U CN207048193U (en) | 2017-04-12 | 2017-04-12 | A kind of Green Roof for rainwater recycle purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396077.4U CN207048193U (en) | 2017-04-12 | 2017-04-12 | A kind of Green Roof for rainwater recycle purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207048193U true CN207048193U (en) | 2018-02-27 |
Family
ID=61490046
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720396077.4U Active CN207048193U (en) | 2017-04-12 | 2017-04-12 | A kind of Green Roof for rainwater recycle purification |
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| Country | Link |
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| CN (1) | CN207048193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060224A (en) * | 2017-04-12 | 2017-08-18 | 上海秦森园林股份有限公司 | A kind of Green Roof purified for rainwater recycle |
-
2017
- 2017-04-12 CN CN201720396077.4U patent/CN207048193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060224A (en) * | 2017-04-12 | 2017-08-18 | 上海秦森园林股份有限公司 | A kind of Green Roof purified for rainwater recycle |
| CN107060224B (en) * | 2017-04-12 | 2024-04-05 | 上海秦森园林股份有限公司 | A green roof for rainwater is retrieved and is purified |
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