CN107642203A - It is a kind of that there is self-cleaning, the Green Roof structure of dephosphorization ability - Google Patents
It is a kind of that there is self-cleaning, the Green Roof structure of dephosphorization ability Download PDFInfo
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- CN107642203A CN107642203A CN201711046872.1A CN201711046872A CN107642203A CN 107642203 A CN107642203 A CN 107642203A CN 201711046872 A CN201711046872 A CN 201711046872A CN 107642203 A CN107642203 A CN 107642203A
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Abstract
The invention discloses a kind of Green Roof structure with self-cleaning, dephosphorization ability, include successively from top to bottom：Vegetable layer, soil horizon, filter layer, water-storage-drainage layer and root resistance waterproof layer, Horizon provide nutrient under vegetable layer and for vegetable layer；Filter layer is located under soil horizon, and filter layer is formed by stacked offset above and below composite water permeable brick；Water-storage-drainage layer is formed under filter layer, water-storage-drainage layer has rinse part and multiple grooves around rinse part arrangement, each groove both ends have opening, the one end open of each groove is located at rinse part and another end opening is located at the edge of water-storage-drainage layer, and the floor height of each groove is gradually reduced by the extrorse direction of rinse part；Centre bore is located at the surface of water-storage-drainage layer, and centre bore is through to the lower surface of filter layer from the upper surface of soil horizon；Root resistance waterproof layer is layed in the upper surface on roof and under water-storage-drainage layer.The roof structure roof effluent quality is high, service life length.
Description
Technical field
The invention belongs to roofing water storage, technical field of drainage, and in particular to a kind of to have self-cleaning, the green of dephosphorization ability
Roof structure.
Background technology
At present, in recent years, the report on urban flooding is of common occurrence.Multiple cities such as Beijing, Shenzhen, Wuhan, Hangzhou
Urban waterlogging is frequently occurred, pole ill effect is caused to resident living.The reason for its behind is that large-scale urban construction is led
Increased dramatically of earth's surface Permeable stratum area ratio, rainwater infiltration amount is caused to reduce, rainwash increase and caused municipal administration therewith
Drainage system can't bear the heavy load.
Sponge city as a kind of ecology by way of adapt to environmental change and tackle natural calamity etc. have it is good
Function.Water suction, water storage, infiltration and water purification when sponge city is rained, it is necessary to when by the water stored " release " and be used.2014
November in year,《Sponge urban construction technical manual》Issue：Country will be in full swing sponge city pilot at the beginning of 2015 in the end of the year 2014
Building-up work.
Green Roof is one of importance of sponge urban construction.As a kind of special Land cover types, and not
Permeable underlying surface is compared, and it has many ecological functions, is a kind of alleviation Urban Storm Flood and the effective means of Control the Plan Pollution Sources
One of.But existing roof structure can not meet the needs of using for a long time.
The content of the invention
It is an object of the invention to provide a kind of Green Roof structure with self-cleaning, dephosphorization ability, to extend roof
The service life of structure.
To achieve the above object, the present invention provides following technical scheme：
It is a kind of have self-cleaning, the Green Roof structure of dephosphorization ability, including：Soil horizon, filter layer, water-storage-drainage layer, resistance
Root waterproof layer, centre bore and vegetable layer；
The Horizon provides nutrient under the vegetable layer and for the vegetable layer；
The filter layer is located under the soil horizon, and the filter layer is formed by stacked offset above and below composite water permeable brick；
The water-storage-drainage layer is formed under the filter layer, and the water-storage-drainage layer has rinse part and around the punching
Multiple grooves of portion's arrangement are washed, each groove both ends have opening, and the one end open of each groove is located at the punching
Wash portion and another end opening is located at the edge of the water-storage-drainage layer, the floor height of each groove is from the rinse part to institute
Stating the direction at edge gradually reduces；
The centre bore is located at the surface of the water-storage-drainage layer, and the centre bore runs through from the upper surface of the soil horizon
To the lower surface of the filter layer；
The root resistance waterproof layer is layed in the upper surface on roof and under the water-storage-drainage layer.
Preferably, the soil horizon includes from top to bottom：Cottonseed shell, vermiculite layers, the organic fertilizer bed of material, rotted leaf soil layer and kind
Plant soil layer；The ratio between the cottonseed shell, vermiculite layers and rotted leaf the thickness of the layer are 1：1：2.
Preferably, the soil horizon thickness is 7-12cm；The edge of the soil horizon is additionally provided with draining at least two
Pipe, the water inlet of the upper drainpipe and the upper surface flush of soil horizon
Preferably, the composite water permeable brick includes water-permeable brick body, attapulgite powder last layer and non-woven fabrics.
Preferably, the attapulgite powder last layer is at least distributed in the upper surface of the water-permeable brick body, the water-permeable brick
Body and the attapulgite powder last layer are by the non-woven wraps；The non-woven fabrics is polyester fiber non-woven fabric.
Preferably, the centre bore is provided with water inlet pipe.
Preferably, the water-storage-drainage layer is made up of HDPE plates；The edge of the water-storage-drainage layer is provided with least two times rows
Water pipe.
Preferably, the track of extension of the groove from the rinse part to the edge is curve；The water-storage-drainage layer
Multiple grooves form turbulent structures.
Preferably, the substrate layer of the root resistance waterproof layer including root-resistant puncturing and the surface coated on the substrate layer
At least one layer of waterproof coating layer.
Preferably, the substrate layer is made up of ARC-722 modified pitch copper foil tire base root resistant waterproof rolls；It is described
Waterproof coating be by polyurethane into.
Beneficial effects of the present invention：
1. filter layer can be removed further in water body using non-woven fabrics cladding dolomite attapulgite and permeable brick layer
Phosphorus, improve roof effluent quality.
2. the groove design of water-storage-drainage layer, not only avoid water remaining influence lower floor waterproof construction, and be advantageous to rinse
Impurity, improve its service life.
3. pair lower drainpipe improves water outlet service efficiency.Water-storage-drainage layer water outlet can meet the use of requirements at the higher level, plant
Tegillum water outlet meets the use typically required.
Brief description of the drawings
Fig. 1 is real mode of the present invention with self-cleaning, the Green Roof structural representation of dephosphorization ability；
Fig. 2 is the schematic diagram of the water-storage-drainage layer of the present invention.
In figure：Soil horizon 1；Filter layer 2；Water-storage-drainage layer 3；Root resistance waterproof layer 4；Lower drainpipe 5；Centre bore 6；Upper drainpipe
7；Vegetable layer 8.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-Fig. 2 is referred to, embodiment of the present invention provides a kind of technical scheme：
It is a kind of have self-cleaning, the Green Roof structure of dephosphorization ability, including：Soil horizon 1, filter layer 2, water-storage-drainage layer 3,
Root resistance waterproof layer 4, centre bore 6 and vegetable layer 8；
The soil horizon 1 is located under the vegetable layer 8 and provides nutrient for the vegetable layer 8；
The filter layer 2 is located under the soil horizon 1, the filter layer 2 by stacked offset above and below composite water permeable brick and
Into；
The water-storage-drainage layer 3 is formed under the filter layer 2, and the water-storage-drainage layer 3 has rinse part and around institute
Multiple grooves of rinse part arrangement are stated, each groove both ends have opening, and the one end open of each groove is located at institute
State rinse part and another end opening is located at the edge of the water-storage-drainage layer 3, the floor height of each groove is by the flushing
Portion gradually reduces to the direction at the edge；
The centre bore 6 is located at the surface of the water-storage-drainage layer 3, and the centre bore 6 is from the upper surface of the soil horizon 1
It is through to the lower surface of the filter layer 2；
The root resistance waterproof layer 4 is layed in the upper surface on roof and under the water-storage-drainage layer 3.
Generally, water-storage-drainage layer 3 can utilize artificial through long-time using residual impurity is understood, it is necessary to when rinsing water-storage-drainage layer 3
Water is pumped into centre bore 6 by water pump, and water flows to the rinse part of water-storage-drainage layer 3 from centre bore 6, and current flow into each recessed from rinse part
Groove, the edge flowing then along groove to water-storage-drainage layer 3.Current wash away to each groove, can be by water-storage-drainage layer 3
Impurity rinses discharge.
From sedum lineare as vegetable layer 8 in the present embodiment.Sedum lineare is even in summer continuous high temperature, the bar of extreme drought
It under part, can also survive, there is very strong drought-resistant ability and recovery capability.In addition, sedum lineare also has obvious heat-insulated, drop
The effect of temperature, energy-conservation.And sedum lineare root system is weak and thin, shallow, formation grass roots and matrix overall plate are taken root, not only can rainwater-proof
Matrix is washed away, and does not penetrate the ability of roof waterproof layer, roof structure will not be destroyed.
In order that there is the Green Roof structure of self-cleaning, dephosphorization ability preferably can provide nutrition for vegetable layer 8 for this
Soil horizon 1 is set to play a part of water storage and filter simultaneously, in some embodiments of the present invention, it is preferred that the soil horizon 1 is from upper
Include under and：Cottonseed shell, vermiculite layers, the organic fertilizer bed of material, rotted leaf soil layer and planting soil layer.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, some of the invention
In embodiment, it is preferred that the thickness of soil horizon 1 is 7-12cm.
The edge of soil horizon 1 is additionally provided with drainpipe 7 at least two, the water inlet of upper drainpipe 7 and soil horizon 1 it is upper
Surface flushes.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, some of the invention
In embodiment, it is preferred that the ratio between the cottonseed shell, vermiculite layers and rotted leaf the thickness of the layer are 1：1：2.
In order that this has, self-cleaning, the Green Roof structure of dephosphorization ability can preferably play filtering and removal of impurities is made
With in some embodiments of the present invention, it is preferred that the composite water permeable brick include water-permeable brick body, attapulgite powder last layer with
And non-woven fabrics.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably play removal of impurities effect for this, preferably
, the attapulgite powder last layer is at least distributed in the upper surface of the water-permeable brick body, the water-permeable brick body and described recessed
Convex rod powder layer is by the non-woven wraps.The phosphorus in water body can be further removed, improves roof effluent quality.It is described
Attapulgite powder last layer is made up of dolomite concave convex rod powder.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that the nothing
Spinning cloth is polyester fiber non-woven fabric.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that the storage
Drainage blanket 3 is made up of HDPE plates.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that the storage
The edge of drainage blanket 3 is provided with least two times drainpipes 5.Double lower drainpipes 5 improve water outlet service efficiency.Water-storage-drainage layer 3
Water outlet can meet the use of requirements at the higher level, and the water outlet of vegetable layer 8 meets the use typically required.Further, rainwater is utilized
The impurity for being deposited on roof periphery can be flushed to lower drainpipe 5 and go out with current draining by power.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that described recessed
The track of extension of the groove from the rinse part to the edge is curve.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that the storage
Multiple grooves of drainage blanket 3 form turbulent structure.The design of vortex water-storage-drainage layer 3, it not only avoid under water remaining influence
Layer waterproof construction, and be advantageous to rinse impurity, improve its service life.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that in described
Heart hole 6 is provided with water inlet pipe.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that the resistance
Root waterproof layer 4 includes the substrate layer of root-resistant puncturing and at least one layer of waterproof coating layer on the surface coated on the substrate layer.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that the base
Material layer is made up of ARC-722 modified pitch copper foil tire base root resistant waterproof rolls.
In order that there is self-cleaning, the Green Roof structure of dephosphorization ability can preferably work for this, it is preferred that described anti-
Water coating be by polyurethane into.
The operation principle and process for using of the present invention is as follows：
1. the Thickness Analysis of attapulgite powder last layer
Total phosphorus concentration is reference as 0.15mg/L using in rainwater, and total phosphorus exists in the form of phosphate radical in general rainwater, is used
The potassium dihydrogen phosphate configuration concentration of 99% purity is that 0.30mg/L obtains phosphate radical solution.Simulated rainfall intensity is that 100mm is in 12h
Experiment value.Experiment roof area is 12m2(4 × 3), continuous three days Monitoring Datas are as a result as follows：
2. the plantation of sedum lineare
Soil horizon 1 includes from top to bottom：Cottonseed shell, vermiculite layers, the organic fertilizer bed of material, rotted leaf soil layer and planting soil layer.Cotton
Uniformly with vermiculite, after organic fertilizer uniformly mixes, cloth is spread on leaf mould seed shell after broken, and lower floor is planting soil.Soil horizon
1 thickness is in 7-12cm, cotton seed hulls：Vermiculite：Leaf mould=1：1：2.Sedum lineare is uniformly dispensed in the surface of soil horizon 1, Zhi Hou
One layer of thin soil of top spreading of seedling, prevents moisture evaporation, is watered afterwards with shower nozzle, poured daily once, continuous 7 days, taken root
Afterwards, appropriate moisturizing.Period weeds out the rank grass in time.The building of higher level can first carry out nursery, after waiting sedum lineare to take root afterwards,
Plant is transplanted to high-rise top when growing to 10-15cm.
3. clean water-storage-drainage layer 3
The centre bore in the 10-15cm apertures for being passed through water directly over the cleaning part of water-storage-drainage layer 3 by high-pressure hydraulic pump
6, it is spaced after continuous flushing 5-10 minutes 2 minutes and rinses 2-3 times, the impurity that water-storage-drainage layer 3 is remained and roof surrounding
Impurity is rinsed to delivery port.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of have self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Including：Soil horizon (1), filter layer
(2), water-storage-drainage layer (3), root resistance waterproof layer (4), centre bore (6) and vegetable layer (8)；
The soil horizon (1) is located under the vegetable layer (8) and provides nutrient for the vegetable layer (8)；
The filter layer (2) is located under the soil horizon (1), and the filter layer (2) is by stacked offset above and below composite water permeable brick
Form；
The water-storage-drainage layer (3) is formed under the filter layer (2), and the water-storage-drainage layer (3) has rinse part and surrounded
Multiple grooves of the rinse part arrangement, each groove both ends have opening, and the one end open of each groove is located at
The rinse part and another end opening are located at the edge of the water-storage-drainage layer (3), and the floor height of each groove is by described
Rinse part gradually reduces to the direction at the edge；
The centre bore (6) is located at the surface of the water-storage-drainage layer (3), and the centre bore (6) is from the upper of the soil horizon (1)
Surface is through to the lower surface of the filter layer (2)；
The root resistance waterproof layer (4) is layed in the upper surface on roof and under the water-storage-drainage layer (3).
It is 2. according to claim 1 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
State soil horizon (1) includes from top to bottom：Cottonseed shell, vermiculite layers, the organic fertilizer bed of material, rotted leaf soil layer and planting soil layer；The cotton
The ratio between seed shell, vermiculite layers and rotted leaf the thickness of the layer are 1：1：2.
It is 3. according to claim 2 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
It is 7-12cm to state soil horizon (1) thickness；The edge of the soil horizon (1) is additionally provided with drainpipe at least two (7), it is described on
The water inlet of drainpipe (7) and the upper surface flush of soil horizon (1).
It is 4. according to claim 1 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
Stating composite water permeable brick includes water-permeable brick body, attapulgite powder last layer and non-woven fabrics, and the attapulgite powder last layer is at least divided
The upper surface of the water-permeable brick body is distributed in, the water-permeable brick body and the attapulgite powder last layer are by the nonwoven cloth bag
Wrap up in.
It is 5. according to claim 4 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
It is polyester fiber non-woven fabric to state non-woven fabrics.
It is 6. according to claim 1 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
State centre bore (6) and be provided with water inlet pipe.
It is 7. according to claim 1 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
Water-storage-drainage layer (3) is stated to be made up of HDPE plates；The edge of the water-storage-drainage layer (3) is provided with least two times drainpipes (5).
It is 8. according to claim 1 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
The track for stating extension of the groove from the rinse part to the edge is curve；Multiple grooves of the water-storage-drainage layer (3)
Form turbulent structure.
It is 9. according to claim 1 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
Stating root resistance waterproof layer (4) includes at least one layer of waterproof painting on the substrate layer of root-resistant puncturing and the surface coated on the substrate layer
The bed of material.
It is 10. according to claim 9 a kind of with self-cleaning, the Green Roof structure of dephosphorization ability, it is characterised in that：Institute
Substrate layer is stated to be made up of ARC-722 modified pitch copper foil tire base root resistant waterproof rolls；The waterproof coating is by poly- ammonia
Ester is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046872.1A CN107642203A (en) | 2017-10-31 | 2017-10-31 | It is a kind of that there is self-cleaning, the Green Roof structure of dephosphorization ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046872.1A CN107642203A (en) | 2017-10-31 | 2017-10-31 | It is a kind of that there is self-cleaning, the Green Roof structure of dephosphorization ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107642203A true CN107642203A (en) | 2018-01-30 |
Family
ID=61125068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711046872.1A Pending CN107642203A (en) | 2017-10-31 | 2017-10-31 | It is a kind of that there is self-cleaning, the Green Roof structure of dephosphorization ability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354664A (en) * | 2018-10-31 | 2019-02-19 | 湖北工业大学 | A kind of insulation polyurathamc root-resistant puncturing water-proof composite material |
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| CN109354664B (en) * | 2018-10-31 | 2021-01-12 | 湖北工业大学 | Heat-preservation and heat-insulation foamed polyurethane root-puncture-resistant waterproof composite material |
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