CN100479649C - Floating island of plant and construction method thereof - Google Patents

Floating island of plant and construction method thereof Download PDF

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Publication number
CN100479649C
CN100479649C CNB2005100110074A CN200510011007A CN100479649C CN 100479649 C CN100479649 C CN 100479649C CN B2005100110074 A CNB2005100110074 A CN B2005100110074A CN 200510011007 A CN200510011007 A CN 200510011007A CN 100479649 C CN100479649 C CN 100479649C
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CN
China
Prior art keywords
chinampa
plant
hover
unit
matrix
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CNB2005100110074A
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Chinese (zh)
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CN1765773A (en
Inventor
陈静
赵祥华
杨逢乐
李跃青
和丽萍
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云南省环境科学研究院
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Priority to CNB2005100110074A priority Critical patent/CN100479649C/en
Publication of CN1765773A publication Critical patent/CN1765773A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a plant floating island, which comprises: using rigid floated bar-shape material to fix a unit frame (1), fixing net material with said frame to form a plant growth substrate culture bed (2), and forming the floating unit; putting water plant in said bed to centralized ret for plant growth substrate (3); cropping floating-island plant in the bed; after combining the units, fixing the top of attachment pile (4) with unit frame to complete the building.

Description

A kind of hover and method of construction thereof
Technical field
The invention belongs to environmental protection technical field, be specifically related to a kind of hover and method of construction thereof that mainly is suitable for aquatic plants growth of on natural lake, building.
Background technology
Multiple ecological functions such as the emergent aquactic plant of self-sow, floatingleaved plant, floating plant and submerged plant have purifying water body, beautify the environment.Because the restriction of lake, river course and landscape water body such as environmental conditions such as the depth of water, water quality, substrate, stormy waves and current; and management of plant and handling problems; above-mentioned plant is difficult to normal growth; the consideration that improves for environmental protection and ecological condition is in the lake, the restoration of the ecosystem of river mouth and landscape water body necessitates.But rely on the natural conditions difficulty of recovering to improve the ecological environment bigger merely, even be difficult to repair.A kind of in recent years natural environmental condition that is not subjected to limits, and the ecological reestablishment that occurs with the hover form arises at the historic moment, and becomes a kind of important means of water ecology reparation and the new form of expression.Water plants that hover is dense and flourishing under water root system of plant are to make it become the complex ecological system of powerful ecological functions.The water plants major function comprises absorbed nitrogen phosphorus, and purifying water body enriches bio-diversity, promotes lake, river water body aesthetic of landscape value; The root system of chinampa plant prosperity has huge specific surface area, as the natural biological filler, become the institute of perching of aquatic insect and microorganism, root system of plant adheres to the large number of biological film and aquatic insect group is nitrogen phosphorus and organic fresh combatants in the degradation water, tremendous potential with purifying water body is " a floating ecological water purifier ".Existing hover build process adopts floating bed carrier type chinampa more, and frame chinampa, the board-like chinampa of foam etc. are arranged, and partly is made up of chinampa framework, plant vector or buoyancy aid, plant and chinampa fixture etc.Such technology chinampa member manufacturing process and chinampa complex structure, chinampa framework mainly adopt secondary operations such as reclaiming waste material, wooden slag, plastics to make.Plant vector or buoyancy aid are mainly cystosepiment etc., and working condition is had relatively high expectations, and production cost is up to 1000~2000 yuan/m 2, be unfavorable for large-scale promotion application.A little less than the capacity of anti-storm of the board-like floating bed of foam chinampa, can only in the hydrostatic environment, use.When the luxuriant growth plant height increases, is preced with width of cloth increase, the time, increasing the weight of because of load of such chinampa, support strength obviously descends, easily cause the chinampa to disintegrate at stormy waves and current under the situation than urgency, reduced the adaptive capacity of hover, increased the intensity and the expense of chinampa management maintenance environment.In case plant is aging, when the chinampa ecological benefits descended, the whole updating of chinampa plant was also comparatively difficult.And need to add special chinampa matrix, increased the chinampa management cost.For this reason, the inventor is through concentrating on studies, developed a kind of from body medium hover and method of construction thereof, evidence, effect is good.
Summary of the invention
The object of the present invention is to provide a kind of hover that is suitable for lake, river course and landscape water body environmental condition.
Another object of the present invention is to provide a kind of method of building hover.
First purpose of the present invention be achieved in that comprise that chinampa unit framework, matrix are culture bed, plant growth medium and spud pile bar, the chinampa unit framework system floating framework of the rigidity mutual affixed one-tenth geometry in floatable rod material end, interfixing with Web materials and chinampa unit framework bar, to surround plant growth medium culture bed, constitutes the unit, chinampa; The plant of Eichhornia crassipes, the living hydrophyte natantia mixture of wawter bloom or Li Shi standing grain water plants is placed the culture bed stack retting of concentrating of matrix of unit, chinampa, formation chinampa, back plant growth medium becomes thoroughly decomposed, humidogene and emergent aquactic plant are planted in matrix 3, spud pile bar upper end is fixed with the chinampa unit framework, and the lower end is squeezed in the substrate of lake with fixing hover.
Another object of the present invention is achieved in that and comprises following operation:
A, chinampa unit framework are with the floating framework of the rigidity mutual affixed one-tenth geometry in floatable rod material end, and interfixing with Web materials and chinampa unit framework bar surrounds unit, plant growth medium culture bed formation chinampa;
B, plant species are selected, and humidogene and emergent aquactic plant are hay grass, Scirpus tabernaemontani, typha angustifolia, reed and cyperus alternifolius;
C, seed cultivation and plant planting place the culture bed stack retting of concentrating of matrix of unit, chinampa with the plant of water plants, and the back of becoming thoroughly decomposed forms the chinampa plant growth medium; For humidogene and emergent aquactic plant chinampa, should will go after a while with the emergent aquactic plant seedling of root in the target waters in plant planting phase between spring and summer, directly be planted on the culture bed emergent aquactic plant chinampa matrix of matrix;
D, location, chinampa are provided with, and unit, chinampa group is unified into the target chinampa that adheres to specification, and the target chinampa is dragged to the target waters, again the spud pile bar is squeezed into the lake substrate, after upper end and chinampa unit framework interfix, promptly finish the chinampa and build.
When laying in the target waters for the emergent aquactic plant chinampa, vertically the stake bar can be suitable closeer.For short hover, vertically the stake bar can lack, and general unit, chinampa Corner Strapped is just passable.
Do not need special matrix of cultivating for short plant, directly the seedling plant root with roots and soil after splitting evenly be arranged in down the plant that has prepared culture bed on, also can the short hover that forms on the foreshore flats medium after peeling off, move to beach chinampa, target waters matrix growth bed on, all do not influence the realization of goal of the invention.Water plants is selected from: the plant of Eichhornia crassipes, the living fluitante mixture of wawter bloom or Li Shi standing grain water plants.
Emergent aquactic plant chinampa, capacity of anti-storm relatively a little less than, be mainly used in the less waters of stormy waves.For preventing the destruction of stormy waves to the chinampa, in the hover nurturing period, should carry out the maintenance on chinampa in the less leeward waters of stormy waves, treat luxuriant growth on the chinampa, well developed root system, after system robust is stable, again hover is dragged to the target waters and lays.The short hover of draft, capacity of anti-storm is strong, and the waters scope of Shi Heing is comparatively extensive relatively.
The present invention adopts Web materials to make up the plant culture matrix bed, utilizes plant to roll into a ball flexible structure from the netted silk that the body matting of roots forms, and has improved the globality of plant and culture matrix bed body and the ability that anti-current stormy waves impacts.Simple in structure, do not need special-purpose flotation bed, build easyly, with low cost, and widely applicable, be easy to popularize.Water plants on the chinampa and week of depending on the hover root system be from performance ecological functions such as biology and microbiologic populations, promotes the function that lake, the river water body aesthetic of landscape are worth.Restoration of the ecosystem engineering for the darker lake of water level, waters, river mouth and city appearance water body has realistic meaning.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is illustrated, but never in any form the present invention is limited.
Fig. 1 is the floor map on the present invention's emergent aquactic plant chinampa;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the floor map of the present invention's short hover;
Fig. 4 is the end view of Fig. 3.
Embodiment
Shown in Figure 4 as Fig. 1 one, hover of the present invention, comprise chinampa unit framework 1, matrix culture bed 2, plant growth medium 3 and spud pile bar 4, chinampa unit framework 1 is with the floating framework of the rigidity mutual affixed one-tenth geometry in floatable rod material end, interfix with Web materials and chinampa unit framework bar and to surround plant growth medium culture bed 2, constitute the unit, chinampa, place the matrix culture bed 2 of unit, chinampa to concentrate stack retting the plant of water plants, formation chinampa, back plant growth medium 3 becomes thoroughly decomposed, humidogene and emergent aquactic plant are planted in matrix 3, spud pile bar 4 upper ends and chinampa unit framework 1 is fixing, and the lower end is squeezed in the substrate of lake with fixing hover.
Described water plants is living hydrophyte natantia mixture of Eichhornia crassipes, wawter bloom or Li Shi standing grain water plants.
Unit, described chinampa is square, rectangle, triangle, pentagon, hexagon, octagonal or trapezoidal; Can be unified into the target chinampa of aforementioned geometry between the unit, chinampa along one-dimensional, two dimension, three-dimensional or four-dimensional direction group.
The floatable rod material of described rigidity is bamboo pole, rod or hollow plastic tube.
Described Web materials is polythene net, compound bamboo grid or PVC plastic grill.
Described spud pile bar 4 is bamboo pole, rod or steel pipe.
The thickness of described chinampa plant growth medium 3 is 10~30 centimetres.
The present invention's chinampa method of construction comprises following operation:
A, chinampa unit framework 1 are with the floating framework of the rigidity mutual affixed one-tenth geometry in floatable rod material end, and interfixing with Web materials and chinampa unit framework bar surrounds the culture bed 2 formation unit, chinampa of plant growth medium;
B, plant species are selected, and humidogene and emergent aquactic plant are hay grass, Scirpus tabernaemontani, typha angustifolia, reed and cyperus alternifolius;
C, seed cultivation and plant planting, the plant of water plants is placed the culture bed stack retting of concentrating of matrix of unit, chinampa, formation chinampa, back plant growth medium 3 becomes thoroughly decomposed, humidogene and emergent aquactic plant chinampa should be in plant planting phases between spring and summer, to go after a while with the emergent aquactic plant seedling of root in the target waters, directly be planted on the culture bed emergent aquactic plant growth substrate 3 of matrix;
D, location, chinampa are provided with, and unit, chinampa group is unified into the target chinampa that adheres to specification, and the target chinampa is dragged to the target waters, again spud pile bar 4 is squeezed into lake substrate 7, after upper end and chinampa unit framework 1 interfix, promptly finish the chinampa and build.
Emergent aquactic plant seedling plant height is controlled at 0.4~0.5 meter, and plant planting density is 0.3 meter * 0.3 meter and is advisable.Specifically according to depth condition, plant growth characteristics and deciding does not influence the realization of the utility model purpose.
After hover is cultivated maturation, available ship is dragged to the target waters and comprises lake lake inlet oral region and urban look waters etc., carry out the combination and the laying of arbitrary shape as required, hover fixing can adopt bamboo stake or wooden cuttage to fix and the purse seine of driving piles is fixed, and hover water surface coverage rate generally is controlled at 30~50% and is advisable.Annual autumn and winter season in summer tackles the chinampa plant and carries out results 2~4 times, and the one, can accelerate lake nitrogen phosphorus quantity output speed, the 2nd, accelerate the plant renewal speed, prevent that plant is aging, improves the hover view.
The course of work of the present invention (illustrating);
About 30,000 square metres of certain lake inlet saliva territory, lake area, intend considering to implement river mouth hover restoration of the ecosystem engineering, require hover should not be lower than 30% in the coverage rate in this waters, river mouth according to pollutant reduction rate, water landscape improvement, the hover gross area in river mouth is defined as 9000m thus 2The hover scope is improved the hover coverage rate that requires according to restoration of the ecosystem district pollutant reduction rate, water landscape and is determined.
1, short hover is built
Directly (long * wide 6~8m of the being * framework of 2~4m or framework of above-mentioned other geometries made in tail footpath about 8~12cm) with mao bamboon or fishscale bamboo or rod or hollow plastic bar in the target waters, its bottom catches fence with polythene net and forms the plant culture bed, also can catch the fixing cultivation bedding that forms plant, promptly short hover unit framework with polythene net near its bottom of the foreshore flats the target waters.With the stolon herbaceous plant, for selecting the plantation plant, also can adopt oenanthe stolonifera, Eichhornia crassipes etc. as Li Shi standing grain, the green watermifoil of powder and liane etc.; To from root plant be split into dispersity from the stolon plant that the cluster shape of natural water body collection is grown, plant root with roots and soil evenly is arranged on the short plant culture that has prepared down, the layer of plants controllable thickness is built in 5~20cm, the growth of giving free rein to, treat on the medium after the development of plants maturation, by the root system of plant of deep-rooted prosperity, form the carrier and the buoyancy aid of hover naturally, and finally make short hover.
2, emergent aquactic plant medium preparation
Directly (framework of the length * wide 6~8m of being * 2~4m is made in tail footpath about 8~12cm) with mao bamboon or fishscale bamboo or rod or hollow plastic bar in the target waters, or the framework of above-mentioned other geometries, its bottom is with polythene net or compound bamboo grid or the PVC plastic grill catches and the fixing plant culture bed that forms, with the Eichhornia crassipes of gathering, wawter bloom is given birth to and is waited fluitante mixture or Li Shi standing grain plant corpus to place above-mentioned fence to carry out the concentrated stack retting of water, the initial ulking thickness of fresh plant body is 0.3~0.5m, normal temperature condition bottom fermentation 30~60 days, treat stack retting body plant corruption, when temperature drops to normal temperature and is in stable state, promptly make the chinampa plant growth medium of the about 10~20cm of thickness.With the emergent aquactic plant as plantation such as hay grass, Scirpus tabernaemontani, typha angustifolia, reed and cyperus alternifolius, grow seedlings by technical specification, in plant planting phase between spring and summer, to go after a while in the target waters that (plant height about 0.4~0.5m) directly is planted on the emergent aquactic plant chinampa matrix that has prepared, and plant planting density is 0.3m * 0.3m/ clump with the emergent aquactic plant seedling of root.After treating the development of plants maturation,, form the carrier and the buoyancy aid of hover naturally, and finally make unit, emergent aquactic plant chinampa by the root system of plant of deep-rooted prosperity.The hover unit is dragged to the target waters splices and combines, and promptly finish the construction of target plant chinampa with the spud pile bar of wooden, bamboo matter or steel is fixing by the global shape of design.
Characteristics of the present invention:
1, this hover has simple in structurely, and manufacturing, enforcement and maintenance management are convenient, construction investment Low, ecological benefits are remarkable, the characteristics such as easily apply, thereby this technology have good reproducibility And popularity, can be applicable to the restoration of the ecosystem of the darker lake of water level, waters, river mouth and city appearance water body Engineering.
2, strengthen the estuary of the lake ecological functions, comprise and cut down pollution of estuary thing purifying water body, inhibition water body Blue algae wawter bloom, raising river mouth and Landscape River bio-diversity and the aesthetic of landscape are worth, and it brings into play ecological merit Can main body comprise plant on the chinampa, depend on the week of hover from little life of biology and root system of plant Thing group etc.
3, capacity of anti-storm is strong, and especially short hover can use under the varying environment condition.
4, member manufacturing process in chinampa is simple, and the chinampa framework mainly adopts bamboo frame, the processing of polyethylene silk screen Form, the plant population that plant vector or buoyancy aid are mainly preferred cultivation forms, and production cost is low, only is 1/100 of prior art chinampa cost, and simple for production, need not special place, can be directly in target The waters field fabrication obviously can reduce the chinampa and prepare twists and turns, saves the expense of place and transportation, improves floating Island production efficiency is easy to popularize.
5, this hover mainly utilizes the buoyancy that aquatic vascular plant self has, by luxuriant plant Carrier and the buoyancy aid of deep-rooted flourishing root system self-assembling formation hover need not be made extra plant Carrier or buoyancy aid, so the chinampa that such technology forms is simple in structure, mainly by chinampa framework, flora Body, chinampa fixture etc. partly form.
6, the growth substrate of this hover plant does not have for the water plant of directly becoming thoroughly decomposed in water forms Need to add special chinampa matrix, do not exist cleaning and regeneration to chinampa matrix can reduce chinampa matrix pipe The difficulty of reason reduces the chinampa operating cost.
Present technique and prior art comparison are analyzed as follows table:
 
Sequence number Pluses and minuses Existing hover technology This hover technology
1 Structure Complexity, plant need floating bed as carrier, need to add special chinampa matrix Simply, plant does not need floating bed as carrier, need not to add special chinampa matrix
2 Floating bed materials High strength fiber material, plastics and timber etc. Root system of plant, silk screen and bamboo
3 Make and construction Need ad hoc making place, complex manufacturing process Need not ad hoc place, manufacturing process is simple
4 Capacity of anti-storm A little less than By force (flexible structure)
5 Operation maintenance management Complicated Simply
6 Water purification and landscape effect Obviously Obviously
7 Investment High Low

Claims (9)

1, a kind of hover, comprise chinampa unit framework (1), matrix culture bed (2), plant growth medium (3) and spud pile bar (4), it is characterized in that: chinampa unit framework (1) is with the floating framework of the rigidity mutual affixed one-tenth geometry in floatable rod material end, interfixing with Web materials and chinampa unit framework bar surrounds plant growth medium culture bed (2), constitutes the unit, chinampa; The plant of water plants is placed the culture bed stack retting of concentrating of matrix of unit, chinampa, back formation chinampa plant growth medium (3) becomes thoroughly decomposed, humidogene and emergent aquactic plant are planted in matrix (3), spud pile bar (4) upper end is fixing with chinampa unit framework (1), and the lower end is squeezed in the substrate of lake with fixing hover.
2, hover as claimed in claim 1 is characterized in that: described water plants is the plant of living fluitante mixture of Eichhornia crassipes, wawter bloom or Li Shi standing grain water plants.
3, hover as claimed in claim 1 is characterized in that: unit, described chinampa is square, rectangle, triangle, pentagon, hexagon, octagonal or trapezoidal; Can be unified into the target chinampa of aforementioned geometry between the unit, chinampa along one-dimensional, two dimension, three-dimensional or four-dimensional direction group.
4, hover as claimed in claim 1 is characterized in that: the floatable rod material of described rigidity is bamboo pole, rod or hollow plastic tube.
5, hover as claimed in claim 1 is characterized in that: described Web materials is polythene net, compound bamboo grid or PVC plastic grill.
6, hover as claimed in claim 1 is characterized in that: described spud pile bar (4) is bamboo pole, rod or steel pipe.
7, hover as claimed in claim 1 is characterized in that: the thickness of described chinampa plant growth medium (3) is 10~30 centimetres.
8, a kind of method of construction of hover according to claim 1 is characterized in that: comprise following operation:
A, chinampa unit framework (1) are with the floating framework of the rigidity mutual affixed one-tenth geometry in floatable rod material end, and interfixing with Web materials and chinampa unit framework bar surrounds plant growth medium culture bed (2) formation unit, chinampa;
B, plant species are selected, and humidogene and emergent aquactic plant are hay grass, Scirpus tabernaemontani, typha angustifolia, reed and cyperus alternifolius;
C, seed cultivation and plant planting, the plant of water plants is placed the culture bed stack retting of concentrating of matrix of unit, chinampa, back formation chinampa plant growth medium (3) becomes thoroughly decomposed, humidogene and emergent aquactic plant chinampa should be in plant planting phases between spring and summer, to go after a while with the emergent aquactic plant seedling of root in the target waters, directly be planted on the culture bed emergent aquactic plant chinampa matrix of matrix;
D, location, chinampa are provided with, unit, chinampa group is unified into the target chinampa that adheres to specification, and the target chinampa is dragged to the target waters, again spud pile bar (4) is squeezed into lake substrate (7), after the upper end interfixes with chinampa unit framework (1), promptly finish the chinampa and build.
9, hover method of construction as claimed in claim 8 is characterized in that: the seedling plant height of emergent aquactic plant is controlled at 0.4~0.5 meter, and plant planting density is 0.3 meter * 0.3 meter.
CNB2005100110074A 2005-09-07 2005-09-07 Floating island of plant and construction method thereof CN100479649C (en)

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Application Number Priority Date Filing Date Title
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CN100479649C true CN100479649C (en) 2009-04-22

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CN102897919A (en) * 2011-07-29 2013-01-30 长江水利委员会长江科学院 Renewable combined biological floating island and method for constructing same
CN102715113A (en) * 2012-07-02 2012-10-10 万世凤 Fishpond water quality purification method
CN104030445A (en) * 2013-03-06 2014-09-10 濮培民 Pneumatic rotary water ecological floating island
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CN104756847A (en) * 2014-01-03 2015-07-08 深圳市铁汉生态环境股份有限公司 Aquatic plant planting floating bed, planting floating bed group and planting method
CN103749145B (en) * 2014-02-10 2016-01-20 天津市水利科学研究院 Submerged plant modularization is growth bed and recover the method for water-bed submerged plant growth
CN103880190B (en) * 2014-03-28 2015-04-01 河海大学常州校区 Tippable combined ecological floating bed for a flood discharge channel
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CN105638414A (en) * 2016-01-08 2016-06-08 武汉中科水生环境工程股份有限公司 Planting method for improving lodging-resistance capability of emergent aquatic plants on ecological floating bed
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