CN103114560A - Method for constructing artificial ecological island in river - Google Patents
Method for constructing artificial ecological island in river Download PDFInfo
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- CN103114560A CN103114560A CN2013100878632A CN201310087863A CN103114560A CN 103114560 A CN103114560 A CN 103114560A CN 2013100878632 A CN2013100878632 A CN 2013100878632A CN 201310087863 A CN201310087863 A CN 201310087863A CN 103114560 A CN103114560 A CN 103114560A
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Abstract
The invention discloses a method for constructing an artificial ecological island in a river. The method comprises the following steps: piling in a river, forming a fence by using a grid-shaped net along the piles, and filling gravels in the fence to form a gravel area; accumulating canal mud on the side face on the outer side of the fence to form a mud area; setting a pipeline system which runs through the island in the ecological island, wherein the pipeline system comprises a water inlet pipe, a water distribution pipe and a water outlet pipe; a water inlet of the water inlet pipe is formed below a normal water level of one side face of the ecological island along the river direction, the water inlet pipe is inserted into the gravel area and is connected with the water distribution pipe, a water outlet pipe is arranged on the water distribution pipe, a water outlet of the water outlet pipe is lower than the water inlet, and holes are formed in the water distribution pipe and the water outlet pipe positioned in the gravel area at intervals. The constructed ecological island provides growth and rest occasions for various animals and plants, effective water body exchange is performed between the gravel area in the ecological island and the outside, and the ecological island has the water purification function and is an artificial ecological island which is low in investment, zero in energy consumption, long-acting, easy and convenient in management, good in ecological effect and high in purification capacity.
Description
Technical field
The present invention relates to the construction method of artificial ecologic island in a kind of river course.
Background technology
Along with the sclerosis of China river course build and received pollution load excessive cause river water quality worsen and the problem such as ecological degradation, hydraulic engineering becomes the development trend of following river regulation with ecological combining closely, in order to provide for multiple aquatic animal,plants the condition that is fit to its growth in the stone revetment hardens the river course, increase the river course bio-diversity, strengthen self-purification capacity, the main mode of earth accumulation that adopts has been set up the Eco-Island that supplies plant growth, animal habitat at present.Compare for plant provides the facility of growth conditions with plant floating bed grade, the construction of Eco-Island need not may become in a large number the plastic frame of solid waste, can provide growth, habitat for more kinds of animal and plant after building up, ecological effect is good, simple and convenient management or need not the management, have long-lastingly, more get close to nature.
But existing Eco-Island has the following disadvantages: Eco-Island has occupied water capacity limited space, river course, but only have the Eco-Island top layer to bring into play certain water body purification function and the function of habitat is provided for animal and plant, Eco-Island inside is closed firmly, although occupied the space, river course, lacked function.
Chinese invention patent " a kind of artificial ecologic island and preparation method thereof " (CN1686866) discloses the technical scheme at aspects such as foliage filter screening, planting container braiding, environmental plant soil configurations; Chinese invention patent CN101429758 discloses a kind of method of constructing artificial ecologic island with building castoff etc.; Chinese invention patent CN1712364A discloses a kind of method that builds ecological small island with kieselguhr.
At present, all consider to strengthen water body exchange inside and outside the island in Eco-Island is built, therefore, the water body purification function of Eco-Island inside fails effectively to be brought into play.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, provide a kind of ecological effect good, realize that the inside and outside water body in island communicates, and can effectively improve Eco-Island to the construction method of the artificial ecologic island of river course purification function.
Realize that the technical scheme of the object of the invention is to provide the construction method of artificial ecologic island in a kind of river course, comprises the steps:
1, according to the shape of Eco-Island yet to be built, with concrete stake or timber piling, with wire gauze or the fishing net enclosure of grid less than gravel piece footpath, fill out gravel along stake in enclosure in the river course, the gravel area end face is lower than ordinary water level 5～10cm;
2, near the riverbed Eco-Island yet to be built fetches earth, and 3～4 sides outside the gravel area fence are piled into the gradient of 1:2～4, forms the staggered riverbed in the dark pool and shoal;
3, the pipe-line system run through inside and outside the island is set in Eco-Island yet to be built, described pipe-line system comprises water inlet pipe, distribution pipe and outlet pipe, the water inlet of water inlet pipe flow path direction along the river is arranged at the ordinary water level of a side of Eco-Island with upper/lower positions, water inlet pipe is inserted into gravel area, be connected with distribution pipe, distribution pipe and outlet pipe are connected, at distribution pipe be positioned at and spaced apart on the outlet pipe of gravel area hole arranged; The delivery port of outlet pipe is placed in Eco-Island another side relative with the water inlet of water inlet pipe, and delivery port is in the vertical direction lower than water inlet;
4, Eco-Island top and the side 40cm phytal zone cultivation emergent aquactic plant with the headwater depth place, the profundal zone cultivation submerged plant at the following depth of water of Eco-Island side 40cm place obtains a kind of artificial ecologic island in the river course.
Distribution pipe of the present invention and be positioned at that on the outlet pipe of gravel area, interval 10～20cm has the hole that diameter is 3～6cm; The garbage barrier net cover is installed in water inlet at water inlet pipe; The diameter of water inlet pipe and distribution pipe is identical, is 20～40cm; Diameter of outflow tube is 10～20cm.
The grain size of gravel of the gravel area of the present invention below ordinary water level 30cm is 4～8cm, and the grain size of gravel of the above gravel area of ordinary water level 30cm is 1～3cm.
Compared with prior art, the invention has the beneficial effects as follows:
1, the Eco-Island provided by the invention place that growth is provided, perched for multiple animal and plant, river enters Eco-Island inside in the gravity flow mode, wait effect by infiltration, and between gravel, water body exchanges, and makes the effect of the inner performance of Eco-Island water body purification.
Carry out effective water body by the inner gravel area of Eco-Island with the external world and exchange, have the water body purification function, be a kind of invest little, Non-energy-consumption, long-acting, simple and convenient management or need not to manage, ecological effect is good, artificial ecologic island with stronger detergent power.
Description of drawings
Fig. 1 is the structural representation of a kind of artificial ecologic island of embodiment of the present invention structure;
Fig. 2 is the structural representation of the pipe-line system of a kind of linear pattern stone revetment city river both sides Eco-Island that provides of the embodiment of the present invention;
Fig. 3 is the pipe-line system structural representation of knee, a kind of river course Eco-Island that provides of the embodiment of the present invention;
Wherein, 1, gravel area; 2, earth district; 3, pipe-line system; 4, phytal zone; 5, profundal zone; 6, emergent aquactic plant; 7, submerged plant; 8, water inlet pipe; 9, distribution pipe; 10, outlet pipe; 11, garbage barrier net cover.
The specific embodiment
Below in conjunction with drawings and Examples, technical scheme provided by the invention is further elaborated.
Embodiment 1
It is a kind of in linear pattern stone revetment city river both sides that the present embodiment provides, and the construction Eco-Island that staggers recovers the cranky technical scheme of natural river course to a certain extent.
Referring to accompanying drawing 1, it is the structural representation of a kind of artificial ecologic island of providing of the present embodiment.Eco-Island comprises gravel area 1, earth district 2 and pipe-line system 3, and the water inlet of pipe-line system is installed garbage barrier net cover 11.shape according to Eco-Island yet to be built, drive piles with concrete stake or timber in the river course, use grid less than wire gauze or the fishing net enclosure in gravel piece footpath along stake, fill out gravel in enclosure, in the present embodiment, the gravel area 1 of Eco-Island is about 6m, wide approximately 1.5m, according to the shape of Eco-Island with concrete stake or timber interval 0.5m left and right piling, be slightly less than wire gauze or the fishing net enclosure in gravel piece footpath with grid along stake, fill out gravel in enclosure, the gravel area end face is lower than ordinary water level 5cm, the grain size of gravel of the following gravel area of ordinary water level 30cm is 5cm, the grain size of gravel of the above gravel area of ordinary water level 30cm is 1cm.
Near Eco-Island riverbed fetches earth and piles up 3 sides at gravel area, forms the gradient and be the earth district 2 of 1:2.5, makes the river course have the riverbed that the dark pool and shoal interlock in the Eco-Island construction.Gather materials on the spot and excavate the riverbed bed mud, escapable cost also can form some dark pools in the river course, avoids river course water capacity minimizing, provides better protection place for fish simultaneously.
After Eco-Island builds up, be phytal zone 4 cultivation emergent aquactic plants 6 more than 40cm in Eco-Island top and side in the depth of water, as reed, giantreed, canna; Be profundal zone 5 cultivation submerged plants 7 below 40cm in the depth of water, as waterweed, hydrilla verticillata, eel grass, watermifoil, hornwort, p.malaianus, water caltrop.
Referring to accompanying drawing 2, it is the structural representation of the pipe-line system of the linear pattern stone revetment city river both sides Eco-Island that provides of the present embodiment, and pipe-line system comprises water inlet pipe 8, distribution pipe 9, outlet pipe 10 and garbage barrier net cover 11.In the process that Eco-Island is built, laying runs through the inside and outside pipe-line system in island, pipe-line system 3 adopts the PVC plastic pipe, water inlet pipe 8 is consistent with water (flow) direction, be arranged on the position of the following 40cm of ordinary water level, diameter is 30cm, and distribution pipe 9 is connected with water inlet pipe is vertical, be tiled in the gravel area in the island, caliber is identical with water inlet pipe.4 outlet pipes become an angle of 90 degrees to be connected with distribution pipe, and the outlet pipe spacing is 20cm, are laid on gravel and dirt bed, direction is consistent with water inlet pipe, but downward-sloping in the vertical direction, make the delivery port of outlet pipe 10 vertically lower than water inlet 20cm, diameter of outflow tube is 15cm.Interval 15cm beats the hole of diameter 4cm in the left and right on the distribution pipe of gravel area and outlet pipe, and makes hole staggered.Garbage barrier net cover 11 is installed in water inlet pipe 8 water inlets, guard available iron silk screen or fishing net, larger solid particulate matter in the interception water body.
Embodiment 2
In stone revetment city river knee, build Eco-Island on the bank in face of water (flow) direction, its structure is as described in Example 1.In the process that Eco-Island is built, lay the pipe-line system that is interlinked to the outside with the island, the pipe-line system structure of knee, river course Eco-Island is referring to accompanying drawing 3; Pipe-line system adopts the PVC plastic pipe, and pipe-line system is compared with embodiment 1, and water inlet pipe and distribution pipe unite two into one, joining 8 prolongations of (advancing) water pipe stretches out outside the island, two kinds of effects with water inlet pipe and distribution pipe are laid on the position of the following 40cm of ordinary water level, and diameter is 30cm.Outlet pipe becomes an angle of 90 degrees to be laid on gravel and dirt bed with distribution pipe, but downward-sloping in the vertical direction, make the delivery port of outlet pipe 10 vertically lower than water inlet 20cm, outlet pipe 10 diameters are 15cm, at the hole that interval 15cm on (advancing) water pipe 8 and outlet pipe 10 beats diameter 4cm of joining of gravel area.Join the water inlet of (advancing) water pipe 8 garbage barrier net cover 11 is installed, guard available iron silk screen or fishing net, larger solid particulate matter in the interception water body.
River enters Eco-Island inside in the gravity flow mode, wait effect by infiltration, and between gravel, water body exchanges, and making does not originally have the Eco-Island interior zone of function to have certain water body purification function.
Claims (5)
1. the construction method of artificial ecologic island in a river course, is characterized in that comprising the steps:
(1) according to the shape of Eco-Island yet to be built, with concrete stake or timber piling, with wire gauze or the fishing net enclosure of grid less than gravel piece footpath, fill out gravel along stake in enclosure in the river course, the gravel area end face is lower than ordinary water level 5～10cm;
(2) near the riverbed Eco-Island yet to be built fetches earth, and 3～4 sides outside the gravel area fence are piled into the gradient of 1:2～4, forms the staggered riverbed in the dark pool and shoal;
(3) pipe-line system run through inside and outside the island is set in Eco-Island yet to be built, described pipe-line system comprises water inlet pipe, distribution pipe and outlet pipe, the water inlet of water inlet pipe flow path direction along the river is arranged at the ordinary water level of a side of Eco-Island with upper/lower positions, water inlet pipe is inserted into gravel area, be connected with distribution pipe, distribution pipe and outlet pipe are connected, at distribution pipe be positioned at and spaced apart on the outlet pipe of gravel area hole arranged; The delivery port of outlet pipe is placed in Eco-Island another side relative with the water inlet of water inlet pipe, and delivery port is in the vertical direction lower than water inlet;
(4) Eco-Island top and the side 40cm phytal zone cultivation emergent aquactic plant with the headwater depth place, the profundal zone cultivation submerged plant at the following depth of water of Eco-Island side 40cm place obtains a kind of artificial ecologic island in the river course.
2. the construction method of artificial ecologic island in a kind of river course according to claim 1 is characterized in that: distribution pipe and be positioned at that on the outlet pipe of gravel area, interval 10～20cm has the hole that diameter is 3～6cm.
3. the construction method of artificial ecologic island in a kind of river course according to claim 1, is characterized in that: at the water inlet of water inlet pipe installation garbage barrier net cover.
4. the construction method of artificial ecologic island in a kind of river course according to claim 1, it is characterized in that: the diameter of water inlet pipe and distribution pipe is identical, is 20～40cm; Diameter of outflow tube is 10～20cm.
5. the construction method of artificial ecologic island in a kind of river course according to claim 1 is characterized in that: the grain size of gravel of the gravel area that ordinary water level 30cm is following is 4～8cm, and the grain size of gravel of the above gravel area of ordinary water level 30cm is 1～3cm.
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| CN201310087863.2A CN103114560B (en) | 2013-03-19 | 2013-03-19 | Method for constructing artificial ecological island in river |
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| CN201310087863.2A CN103114560B (en) | 2013-03-19 | 2013-03-19 | Method for constructing artificial ecological island in river |
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| CN103114560A true CN103114560A (en) | 2013-05-22 |
| CN103114560B CN103114560B (en) | 2015-02-25 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395888A (en) * | 2013-08-23 | 2013-11-20 | 中国科学院武汉植物园 | Ecological reef island and construction method thereof |
| CN109736257A (en) * | 2019-03-06 | 2019-05-10 | 中交上海航道勘察设计研究院有限公司 | It is a kind of for constructing the double river structures and its construction method of ecological circulation water system |
| CN110230318A (en) * | 2019-06-25 | 2019-09-13 | 中交上海航道勘察设计研究院有限公司 | Raft foundation structure for the construction of lake region man-made island |
| CN110606630A (en) * | 2019-10-24 | 2019-12-24 | 苏州淳和环境科技有限公司 | Shallow narrow river channel ecological management system based on artificial ecological island and construction method thereof |
| CN112607867A (en) * | 2020-11-18 | 2021-04-06 | 中国电建集团华东勘测设计研究院有限公司 | Ecological island diving device and ecological algae control system |
| CN112723694A (en) * | 2021-01-11 | 2021-04-30 | 岭南水务集团有限公司 | Ecological island with function of in-situ remediation of heavy metal polluted bottom mud and implementation method thereof |
| CN114014444A (en) * | 2022-01-05 | 2022-02-08 | 南大（常熟）研究院有限公司 | Construction method of high-ecological-elasticity small-micro wetland ecosystem |
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| KR20030002458A (en) * | 2001-06-29 | 2003-01-09 | (주)에코톱 | Artifical floating island for the ecological composition and the lake purification and the manufacturing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103395888A (en) * | 2013-08-23 | 2013-11-20 | 中国科学院武汉植物园 | Ecological reef island and construction method thereof |
| CN103395888B (en) * | 2013-08-23 | 2015-04-01 | 中国科学院武汉植物园 | Ecological reef island and construction method thereof |
| CN109736257A (en) * | 2019-03-06 | 2019-05-10 | 中交上海航道勘察设计研究院有限公司 | It is a kind of for constructing the double river structures and its construction method of ecological circulation water system |
| CN110230318A (en) * | 2019-06-25 | 2019-09-13 | 中交上海航道勘察设计研究院有限公司 | Raft foundation structure for the construction of lake region man-made island |
| CN110606630A (en) * | 2019-10-24 | 2019-12-24 | 苏州淳和环境科技有限公司 | Shallow narrow river channel ecological management system based on artificial ecological island and construction method thereof |
| CN110606630B (en) * | 2019-10-24 | 2021-09-28 | 苏州淳和环境科技有限公司 | Shallow narrow river channel ecological management system based on artificial ecological island and construction method thereof |
| CN112607867A (en) * | 2020-11-18 | 2021-04-06 | 中国电建集团华东勘测设计研究院有限公司 | Ecological island diving device and ecological algae control system |
| CN112723694A (en) * | 2021-01-11 | 2021-04-30 | 岭南水务集团有限公司 | Ecological island with function of in-situ remediation of heavy metal polluted bottom mud and implementation method thereof |
| CN114014444A (en) * | 2022-01-05 | 2022-02-08 | 南大（常熟）研究院有限公司 | Construction method of high-ecological-elasticity small-micro wetland ecosystem |
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| CN103114560B (en) | 2015-02-25 |
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