CN109757252A - A kind of Rain Garden constructed using building castoff - Google Patents

A kind of Rain Garden constructed using building castoff Download PDF

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Publication number
CN109757252A
CN109757252A CN201910096022.5A CN201910096022A CN109757252A CN 109757252 A CN109757252 A CN 109757252A CN 201910096022 A CN201910096022 A CN 201910096022A CN 109757252 A CN109757252 A CN 109757252A
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China
Prior art keywords
layer
building castoff
purifying
rain garden
rain
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CN201910096022.5A
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Chinese (zh)
Inventor
刘程
高彦波
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Star View Eco Environment Technology (suzhou) Co Ltd
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Star View Eco Environment Technology (suzhou) Co Ltd
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Priority to CN201910096022.5A priority Critical patent/CN109757252A/en
Publication of CN109757252A publication Critical patent/CN109757252A/en
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Abstract

The invention discloses a kind of Rain Gardens constructed using building castoff, from top to bottom successively include: filter layer, plantation layer, the first purifying layer, the second purifying layer and basal layer;The material of filter layer is sawdust, and the material for planting layer is the mixture of planting soil and humus, and the material of the first purifying layer is aggregate, and the material of the second purifying layer is steel slag, and the material of basal layer is brick block;Plantation layer on kind is implanted with plant.Through the above way, the present invention physical property and chemical property special using common building castoff, are processed as the filler of specified particle diameter range, are arranged according to certain level and ratio, efficient purification of water quality filler is become, the water purification ability of Rain Garden is promoted;And make full use of common building castoff, not only save the cost but also meet environmental protection theory.

Description

A kind of Rain Garden constructed using building castoff
Technical field
The present invention relates to Rain Garden technical fields, more particularly to a kind of rainwater flower using building castoff building Garden.
Background technique
Have different definition to Rain Garden now, some think Rain Garden be it is a kind of by later period hand digging or The recessed greenery patches that person naturally occurs is mainly used for collecting and absorbing the rainwater from roof or ground, is a kind of ecological sustainability Rainwater utilization and rainwater management facility.Also some thinks that Rain Garden is reduced so that natural ecology and beauty are major way Runoff peak value reduces environmental pollution, the effective rainwater self-purification for improving water quality and disposal technology, meanwhile, Rain Garden It is a kind of biology delay facility.
Generally speaking, in all landscape green land systems by science and technology or natural way means, with rainwater-collecting, For the purpose of, processing etc., and obtain preferable landscape quality can be defined as Rain Garden.Rain Garden be a kind of row it Effective rainwater self-purification and disposal technology, are a kind of development of the modern Landscape of natural imitation circle rainwater diafiltration function Mode, and used the biological Dry-land ecosystem for being detained principle.
The current existing patent about Rain Garden has focused largely on following three directions:
1. by adjusting the physical features of Rain Garden planting matrix, such as by increasing new medium, or change base The thickness of matter, shape, proportion also or combine microbiologic population, improve the water storage or detergent power of Rain Garden facility.This The Rain Garden patent of class is more, as the multi-functional storage of the patent of invention of Patent No. ZL201610480229.9 arranges Rain Garden system System.
2. increase irrigation system, digital control system, humidity or temperature sensor etc. on the basis of traditional Rain Garden, The technology extension for extending Rain Garden organically combines Rain Garden facility and Other subjects.Such as Patent No. ZL 201710831400.0 a kind of environmental Rain Garden of patent of invention.
3. Rain Garden facility is combined with other sponge urban facilities, form complete set have runoff abatement, The rainwater accumulation system of purification of water quality, regulating water resources function, such as a kind of solution of 201410793993.2 patent of invention of Patent No. The certainly rainwater accumulation system of urban waterlogging, haze and tropical island effect.
The type of above-mentioned existing Rain Garden requires a large amount of additional materials, and construction cost is high, construction schedule is long.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of Rain Gardens constructed using building castoff, can incite somebody to action Common building castoff is processed as the filler of specified particle diameter range, becomes efficient purification of water quality filler, promotes rainwater The water purification ability in garden.
In order to achieve the above objectives, the technical solution adopted by the present invention to solve the technical problems is:
A kind of Rain Garden constructed using building castoff successively includes: filter layer, plantation layer, first from top to bottom Purifying layer, the second purifying layer and basal layer;The material of the filter layer is sawdust, and the material of the plantation layer is planting soil and corruption The mixture of matter is grown, the material of first purifying layer is aggregate, and the material of second purifying layer is steel slag, described The material of basal layer is brick block;The plantation layer on kind is implanted with plant.
Preferably, the Rain Garden further includes separate layer, and the separate layer setting is purified in the plantation layer and first Between layer, the material of the separate layer is geotextiles.
Preferably, the depth of the Rain Garden is 100cm ± 20cm.
Preferably, the filter layer with a thickness of 5cm ± 2cm, the plantation layer with a thickness of 35cm ± 2cm, described the One purifying layer with a thickness of 10cm ± 2cm, second purifying layer with a thickness of 20cm ± 2cm, the basal layer with a thickness of 30cm±2cm。
Preferably, the ratio of planting soil and humus is 3:1 in the plantation layer.
Preferably, aggregate is construction waste aggregate in first purifying layer;First purifying layer Middle aggregate is set as spheric granules;The partial size of aggregate is 5mm~20mm in first purifying layer.
Preferably, the partial size of steel slag is 10mm~25mm in second purifying layer.
Preferably, brick block is construction waste brick block in the basal layer;The partial size of brick block is in the basal layer 50mm~100mm.
Preferably, the first foundation layer includes clay, the clay be filled in the first foundation layer brick block it Between gap in.
Preferably, the Rain Garden further includes bed course, and the setting cushion is in the top of the filter layer, the bed course Material be brick fragment, the partial size of the brick fragment is less than the partial size of the brick block.
Due to the application of the above technical scheme, the present invention have compared with prior art it is following the utility model has the advantages that
A kind of Rain Garden constructed using building castoff is provided, the special physics of common building castoff is utilized Property and chemical property are processed as the filler of specified particle diameter range, are arranged according to certain level and ratio, are become height The purification of water quality filler of effect promotes the water purification ability of Rain Garden;And common building castoff is made full use of, both save the costs Meet the theory of environmental protection again.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the Rain Garden using building castoff building of the present invention.
Detailed description of the invention:
Bed course 1, filter layer 2, plantation layer 3, separate layer 4, the first purifying layer 5, the second purifying layer 6, basal layer 7, plant 8.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to attached drawing, a kind of Rain Garden constructed using building castoff successively includes: filter layer 2, kind from top to bottom Plant layer 3, the first purifying layer 5, the second purifying layer 6 and basal layer 7.The material of filter layer 2 is sawdust, and the material of plantation layer 3 is kind The mixture of soil with humus is planted, the material of the first purifying layer 5 is aggregate, and the material of the second purifying layer 6 is steel slag, base The material of plinth layer 7 is brick block;Kind is implanted with plant 8 on plantation layer 3.
The depth of Rain Garden can be set to 100cm ± 20cm.Filter layer 2 with a thickness of 5cm ± 2cm, plant layer 3 With a thickness of 35cm ± 2cm, the first purifying layer 5 with a thickness of 10cm ± 2cm, the second purifying layer 6 with a thickness of 20cm ± 2cm, base Plinth layer 7 with a thickness of 30cm ± 2cm.
Sawdust fine crushing in filter layer 2 is laid on the plantation layer 3 of lower layer, primarily serves primary filtration, moisturizing and to be micro- Biological growth provides the effect of protection environment.
Plantation layer 3 is the 8 nutrient layer of plant that planting soil and humus are mixed to form according to 3:1 ratio, and planting soil is rainwater Original soil in garden place.Humus to migration of elements be mainly shown as organic colloid to the adsorption of metal ion and The integration and complexing of ion exchange adsorption effect and humic acid to element.It will be planted according to the specification of Rain Garden It plants and scrapes out the shape of design under layer 3, and planting soil is inserted and tamped with humus.Humus has chesson, gas permeability Well, the features such as water absorbing force is strong, and temperature change is small, is conducive to the growth of plant 8, can also reduce the investment of fertilizer.
In order to avoid the nutrient loss in plantation layer 3, Rain Garden can also include separate layer 4, and the setting of separate layer 4 is existed It plants between layer 3 and the first purifying layer 5, the material of separate layer 4 is geotextiles.Geotextiles have the work of permeable infiltration, filtering With the planting soil planted in layer 3 and the filler of humus capable of being isolated in geotextiles upper layer.
First purifying layer 5 its material is made of the aggregate of abandoned building, be processed as partial size 5mm~ Spherical particles within the scope of 20mm.Aggregate refers to the granular loose material that skeleton or filling effect are played in concrete. Slow release Al, Mg ion can be mixed in concrete according to the historical record of live Runoff, by with the pollution in runoff Substance occurs ion exchange and plays the role of preliminary purification.
Second purifying layer 6 selects steel slag of the partial size within the scope of 10mm~25mm, and steel slag is by silicon, manganese, phosphorus, the sulphur in the pig iron The salt institute group that various oxides made of equal impurity aoxidize in fusion process and these oxides and solvent reaction generate At.Since steel slag has certain alkalinity and biggish specific surface area, the TP and other heavy metals in runoff can be significantly removed Pollutant.
Basal layer 7 selects overall framework of the partial size for the brick block of 50mm~100mm as Rain Garden device, brick block Discarded common brick head block is selected, the gap filling clay between brick block forms robust structure.First foundation layer 7 is for consolidating Rain Garden structure, compacting overall structure are laid.
In order to further purify water, Rain Garden can also include bed course 1, and bed course 1 is laid on the top of filter layer 2, It plays filtering, absorption protection filter layer 2 and plantation layer 3 and there is unique landscape function.The material of bed course 1 is brick fragment, Brick fragment selects discarded common brick head fragment, and the partial size of brick fragment is less than the partial size of brick block, and the partial size of brick fragment can Think that 10mm~20mm, common brick fragment have the function of good denitrogenation dephosphorizing as Filler for water purification.
According to the size of preset Rain Garden, Slag bottom is excavated, it is red to lay discarding for 300mm or so in substrate Brick block fills clay in the gap between brick to consolidate substrate.After tamping substrate, the second purifying layer 6, first is successively laid Purifying layer 5, separate layer 4, plantation layer 3, filter layer 2 and bed course 1.First purifying layer 5 need to be processed as sphere similar in particle size, Slow release Al, Mg ion can be mixed in concrete according to the historical record of live Runoff, by with the pollution in runoff Substance occurs ion exchange and plays catharsis.It after planting soil mixes in proportion with humus, is covered on geotextiles, this is filled out Layer cannot be compacted, and permeability should be in 300-500mm/hr, and grass seeds or plant landscape plant 8 are sowed in planting soil;? The filter layer 2 of uniform fold 5cm thickness or so on the mixture of planting soil and humus;2 surface of filter layer is laid with 20mm thickness The discarded common brick head fragment of left and right.
Main material of the building castoff as Rain Garden is selected, not only due to selected materials have permeability, filtering Property, selected steel slag, aggregate, common brick block have that large specific surface area, adsorption capacity be strong, surface is easy in the Rain Garden The features such as attached biological film, has good permeability and filterability;And using a variety of there is pollutant to filter adsorption capacity Material as packing material inside Rain Garden, it is economic and environment-friendly, realize the recycling of waste.
Building castoff contains beneficial to chemical component, as steel slag is organic for the dissolubility in runoff in alkalinity, iron ion Phosphorus has fixed function;Containing different kinds of ions such as Ca, Al in concrete particle, it is easy to and the metal ion and phosphate in runoff It reacts, flocculate precipitate is converted by solubilised state by pollutant.
The Rain Garden that common brick head block encloses can prevent rain drop erosion from causing soil erosion, weaken impulsive force, shape At Rain Garden stabilized structure, durable.
The above is only the embodiment of the present invention, are not intended to limit the scope of the invention, all to be said using the present invention Equivalent structure or equivalent flow shift made by bright book and accompanying drawing content is applied directly or indirectly in other relevant technology necks Domain is included within the scope of the present invention.

Claims (10)

1. a kind of Rain Garden constructed using building castoff, which is characterized in that from top to bottom successively include: filter layer, kind Plant layer, the first purifying layer, the second purifying layer and basal layer;The material of the filter layer is sawdust, and the material of the plantation layer is The mixture of planting soil and humus, the material of first purifying layer are aggregate, the material of second purifying layer For steel slag, the material of the basal layer is brick block;The plantation layer on kind is implanted with plant.
2. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: the rainwater Garden further includes separate layer, and the separate layer is arranged between the plantation layer and the first purifying layer, the material of the separate layer For geotextiles.
3. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: the rainwater The depth in garden is 100cm ± 20cm.
4. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: the filtering Layer with a thickness of 5cm ± 2cm, the plantation layer with a thickness of 35cm ± 2cm, first purifying layer with a thickness of 10cm ± 2cm, second purifying layer with a thickness of 20cm ± 2cm, the basal layer with a thickness of 30cm ± 2cm.
5. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: the plantation The ratio of planting soil and humus is 3:1 in layer.
6. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: described first Aggregate is construction waste aggregate in purifying layer;Aggregate is set as spherical in first purifying layer Grain;The partial size of aggregate is 5mm~20mm in first purifying layer.
7. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: described second The partial size of steel slag is 10mm~25mm in purifying layer.
8. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: the basis Brick block is construction waste brick block in layer;The partial size of brick block is 50mm~100mm in the basal layer.
9. a kind of Rain Garden constructed using building castoff according to claim 8, it is characterised in that: described first Basal layer includes clay, and the clay is filled in the gap in the first foundation layer between brick block.
10. a kind of Rain Garden constructed using building castoff according to claim 1, it is characterised in that: the rain Spray garden further includes bed course, and for the setting cushion in the top of the filter layer, the material of the bed course is brick fragment, described The partial size of brick fragment is less than the partial size of the brick block.
CN201910096022.5A 2019-01-31 2019-01-31 A kind of Rain Garden constructed using building castoff Pending CN109757252A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802665A (en) * 2021-10-08 2021-12-17 上海应用技术大学 Method for manufacturing rainwater garden by using building particle waste

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CN103977636A (en) * 2014-05-08 2014-08-13 常州大学 Method for preparing water treatment filter material from waste red brick block
CN205712405U (en) * 2016-04-22 2016-11-23 大连生命之石新材料有限公司 A kind of auto purification storage-type Rain Garden system
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CN103977636A (en) * 2014-05-08 2014-08-13 常州大学 Method for preparing water treatment filter material from waste red brick block
CN205712412U (en) * 2016-04-14 2016-11-23 江苏山水环境建设集团股份有限公司 Sunk type Rain Garden sponge system
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CN106630430A (en) * 2016-12-30 2017-05-10 同济大学 Groundwater pollution circulating purification system under effects of key sponge-city modules
CN108083426A (en) * 2017-12-20 2018-05-29 西安建筑科技大学 A kind of rapid infiltration system for initial rainwater efficient process
CN109183946A (en) * 2018-10-30 2019-01-11 西安公路研究院 A kind of sponge urban biology is detained facility and its construction method
CN210491800U (en) * 2019-01-31 2020-05-12 星景生态环保科技(苏州)有限公司 Utilize rainwater garden of building waste structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802665A (en) * 2021-10-08 2021-12-17 上海应用技术大学 Method for manufacturing rainwater garden by using building particle waste

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