CN111072152A - Ecological floating bed device - Google Patents

Ecological floating bed device Download PDF

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Publication number
CN111072152A
CN111072152A CN202010024650.5A CN202010024650A CN111072152A CN 111072152 A CN111072152 A CN 111072152A CN 202010024650 A CN202010024650 A CN 202010024650A CN 111072152 A CN111072152 A CN 111072152A
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China
Prior art keywords
floating bed
ecological floating
net
fixing
steel pipe
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CN202010024650.5A
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Inventor
马书占
陈开宁
古小治
陈思文
黄蔚
刘成
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Nanjing Institute of Geography and Limnology of CAS
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Nanjing Institute of Geography and Limnology of CAS
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Priority to CN202010024650.5A priority Critical patent/CN111072152A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydroponics (AREA)

Abstract

The invention relates to an ecological floating bed device, which comprises a wave dissipation device and at least one ecological floating bed. The ecological floating bed comprises a floating body, a packing layer, aquatic plants and a fixing device, the ecological floating bed is arranged close to the bank, and the ecological floating bed monomers are connected through ropes. The floating body comprises a frame structure and a floating ball arranged on the frame structure; the fixing device is a fixing pile; the filler layer comprises a wire mesh, a three-dimensional plant net and a filler; the aquatic plants are planted on the upper part of the filler. The wave-dissipating device comprises a steel pipe, a purse net and a connecting ring, the purse net is designed into an arc shape, and the purse net is connected with the steel pipe through the connecting ring. The invention solves the problem of application of the conventional ecological floating bed in a deep water area, realizes the purpose that the plant seed propagules of the floating bed can live through the winter naturally, and simultaneously solves the problem of nutrition limitation of the growth of plants of the ecological floating bed.

Description

Ecological floating bed device
Technical Field
The invention relates to the technical field of lake water pollution control, in particular to an ecological floating bed device.
Background
The increasing of the amount of pollutants discharged in life and production, the large discharge of pollutants and the unreasonable land utilization mode lead to the serious pollution and ecological damage of water bodies such as rivers, wetlands, lakes and the like, and the ecological functions of the rivers, the wetlands and the lakes are lost or cannot normally play roles. Ecological bed technique that floats receives environmental protection personnel's concern more and more as a novel water normal position restoration technique, and its principle utilizes the aquatic plant in the bed body and floats bed lower part filler area surface-attaching biomembrane combined action to reach the purpose of absorption and degradation pollutant, need not to account for the area because of having, the running cost is low, improve quality of water and promote advantages such as view effect and be used widely, however, conventional ecological bed that floats nevertheless has the drawback in following 3 aspects: (1) ecological floating bed plants are not suitable for growing in deep water areas with high wind waves; (2) the ecological floating bed plant propagules are frozen in the frozen ice layer in winter, the propagules are frozen or die, and the plants cannot live through the winter naturally; (3) the low nutrition of the water body can not meet the normal growth of the ecological floating bed plants, and the problem of nutrition limitation needs to be solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an ecological floating bed device which can be applied to a deep water area and realize the natural overwintering of a floating bed plant seed propagule.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
an ecological floating bed device comprises a wave dissipation device and at least one ecological floating bed;
the ecological floating bed comprises a floating body, a packing layer, aquatic plants and a fixing device;
the floating body comprises a frame structure and a floating ball arranged on the frame structure;
the filler layer comprises an iron wire net, a three-dimensional plant net and a filler, the iron wire net is laid at the bottom of the frame structure as a bearing layer, and the three-dimensional plant net is laid on the upper layer of the iron wire net and used for placing the filler, so that the filler is prevented from being dispersed in water;
the aquatic plants are planted on the upper part of the filler;
the fixing device is used for fixing the ecological floating bed;
the wave eliminating device is used for eliminating waves.
Preferably, the frame structure is made of shelf angle irons, and the shelf angle irons are connected and fixed through screws. The frame construction be the three-dimensional four-edge table of invering form to reach the purpose of being convenient for the equipment to make the frame construction nimble use, the long width of bottom surface is 4m, 2m respectively on the four-edge table rectangle of invering, and the height of four-edge table is 0.5m, and the contained angle of four-edge table side edges length and horizontal plane is 70 ~ 80.
Preferably, the diameter of the floating ball is 11cm, so that buoyancy can be better provided for the ecological floating bed, the problem that the buoyancy of the floating body is insufficient due to too small diameter of the floating ball and resource waste is caused due to too large diameter of the floating ball is solved, and the floating ball is made of a PVC material and fixed at the trisection of the long edge and the trisection of the short edge of the frame structure to provide buoyancy for the ecological floating bed.
Preferably, the thickness of the iron wire net is 3-5 cm.
Preferably, the size of the three-dimensional plant net is 1-3 cm, the filling thickness is 12-15 cm, and the height from the water surface/the lower surface of the ice layer is 30-35 cm.
Preferably, the filling material is shale, the shale can provide places and nutrients required by plant growth, the adsorption effect is good, the water body pollutants can be purified, secondary pollution is not caused, and the specific gravity of water and the shale is controlled to be 1: 1.1-1.5.
Preferably, the fixing device is a fixing pile, the fixing pile is connected with the ecological floating bed through a first fixing rope, and bottom mud is pricked into the bottom of the fixing pile; the spud pile is the steel pipe material, and length 2~ 3m, 8 mm's steel wire core nylon rope is chooseed for use to first fixed rope.
Preferably, the ecological floating bed device comprises a plurality of ecological floating beds, and the ecological floating bed monomers are connected through a second fixing rope; the second fixing rope is a 8mm steel wire core nylon rope.
Preferably, the wave-breaking device comprises a steel pipe, a purse net and a connecting ring, and the purse net is connected with the steel pipe through the connecting ring. The wave dissipation device is arranged at a position 10m away from the ecological floating bed and is designed into an arc shape; the diameter of the steel pipe is 8-10 cm, the length of the steel pipe is 2-3 m, the steel pipe is exposed out of the water surface by 1m when the steel pipe is installed, and the steel pipe is arranged along the purse net every 5 m; the purse net is a fishing net and is arranged to be exposed 1m above the water surface; the connecting ring is made of stainless steel and has a diameter of 10 cm.
Preferably, the aquatic plant is selected from one or more of peanut, allium mongolicum regel and ryegrass.
The invention has the beneficial effects that:
(1) the combination of the floating body and the packing layer enables the floating bed device to be suspended in a water body, wherein the three-dimensional plant net can be used for placing the packing to prevent the packing from leaking, and meanwhile, the three-dimensional plant net and the water surface are arranged at a certain distance, so that the later-stage germination of the plant seed propagules is facilitated, and sufficient light intensity is provided for the plant seed propagules, so that the planting of the aquatic plants in a deep water area is realized;
(2) the filler in the filler layer has a purifying effect on water pollutants on one hand; on the other hand, the filler provides a place for plant seed propagules, and meanwhile, the winter plant seeds can be stored in the filler, so that nutrition can be provided for plant growth, and overwintering of the winter plant seeds can be realized.
Drawings
Fig. 1 is a plan view of the present invention.
Fig. 2 is a plan view of the ecological floating bed floating body.
Fig. 3 is a connection plan view of the floating body of the ecological floating bed.
Fig. 4 is a sectional view of the ecological floating bed monomer.
In the figure: 1 is an ecological floating bed; 2 is a spud pile; 3 is a first fixing rope; 4 is a steel pipe; 5 is a purse seine; 6 is a connecting ring; 7 is the bank; 8 is a screw; 9 is a floating ball; 10 is a shelf angle iron; 11 is a second fixing cord; 12 is an aquatic plant; 13 is a filler; 14 is a wire mesh; 15 is a three-dimensional plant net.
Detailed Description
Example 1
An ecological floating bed device comprises an ecological floating bed 1 and a wave dissipation device.
The ecological floating bed 1 comprises a floating body, a packing layer, aquatic plants 12 and a fixing device, and the ecological floating bed 1 is arranged close to the bank side. The floating body comprises a frame structure and a floating ball 9, the frame structure is composed of shelf angle irons 10 and screws 8 used for connecting and fixing the shelf angle irons 10, the frame structure is of an inverted quadrangular frustum pyramid structure, the rectangular length and width of the upper bottom surface of the inverted quadrangular frustum pyramid and the height of the quadrangular frustum pyramid are respectively 4m, 2m and 0.5m, and the included angle between the frame structure and the water surface (namely the included angle between the upper bottom surface and the side edge) is 70-80 degrees; the diameter of the floating ball 9 is 11cm, the floating ball is made of PVC materials and is fixed on a frame structure made of shelf angle iron 10, and the fixed position of the floating ball 9 is the trisection of the long edge and the trisection of the short edge of the bottom surface of the frame structure to provide buoyancy for the ecological floating bed 1;
the packing layer comprises an iron wire mesh 14, a three-dimensional plant net 15 and a packing 13, wherein the iron wire mesh 14 is laid at the bottom of the frame structure as a bearing layer and has the thickness of 3-5 cm; the three-dimensional plant net 15 is laid on the upper layer of the wire netting 14 and used for placing the filler 13 and preventing the filler 13 from being dispersed in water, the filler 13 is shale, and the specific gravity of water and shale is 1:1.1-1.5, wherein the size of the three-dimensional plant net 15 is 1-3 cm, the filling thickness is 12-15 cm, and the height from the water surface/the lower surface of the ice layer is 30-35 cm; the aquatic plant 12 is selected from Arachis hypogaea, Scirpus tabernaemontani and Lolium perenne, and is planted on the upper part of the filler 13.
The fixing device is a fixing pile 2, the fixing pile 2 is connected with the ecological floating bed 1 through a first fixing rope 3, bottom mud is pricked into the bottom of the fixing pile 2, and when a plurality of ecological floating beds are arranged, the ecological floating bed 1 monomers are connected through a second fixing rope 11; the fixing pile 2 is made of steel pipe material, the length is 2-3 m, the first fixing rope 3 and the second fixing rope 11 are both made of 8mm steel wire core nylon ropes,
the wave dissipation device comprises a steel pipe 4, a purse net 5 and a connecting ring 6, and is arranged at a position 10m away from the ecological floating bed and designed into an arc shape. The diameter of the steel pipe 4 is 8-10 cm, the length of the steel pipe is 2-3 m, the steel pipe is exposed out of the water surface by 1m when the steel pipe is installed, and the steel pipe is arranged along the purse seine 5 every 5 m; the purse seine 5 is a fishing net, is connected with the steel pipe 4 through a connecting ring 6, and is arranged to be exposed 1m out of the water; the connecting ring 6 is made of stainless steel and has the diameter of 10cm, and is used for connecting the steel pipe 4 and the purse seine 5.
The ecological floating bed device is applied to a certain reservoir of Tianjin to repair the water body in situ, shale is selected as a filler, the aquatic plants are planted in the combination of the water peanuts and the water shallots, the water peanuts and the ryegrass, each plant is combined to 100 square meters, and after the on-site monitoring for 3 months, the result shows that the water peanuts, the water shallots and the ryegrass grow well, the total nitrogen of the water body is reduced to be below 3.0mg/L from 5.0mg/L, the removal effect reaches more than 40 percent, the total phosphorus is reduced to be below 0.06mg/L from 0.10mg/L, the removal effect reaches more than 40 percent, and the plants naturally live through the winter in the spring of the next year and perform normal succession. The floating bed structure and the plant community contained in the ecological floating bed device have the characteristics of high nitrogen and phosphorus reduction efficiency and strong operation stability. After the floating bed runs for two years, the plants of the ecological floating bed grow in a deep water area with heavy wind and waves; the plant propagules in the floating bed are stored in the packing layer below the frozen ice layer in winter, and the propagules normally live through the winter; due to the existence of the filler, the normal growth of plants is met after the water body is enriched with low nutrition, and the problem of nutrition limitation is solved.

Claims (10)

1. An ecological floating bed device, which comprises a wave-dissipating device and at least one ecological floating bed and is characterized in that,
the ecological floating bed comprises a floating body, a packing layer, aquatic plants and a fixing device;
the floating body comprises a frame structure and a floating ball arranged on the frame structure;
the filler layer comprises an iron wire net, a three-dimensional plant net and a filler, the iron wire net is laid at the bottom of the frame structure as a bearing layer, and the three-dimensional plant net is laid on the upper layer of the iron wire net and used for placing the filler;
the aquatic plants are planted on the upper part of the filler;
the fixing device is used for fixing the ecological floating bed;
the wave eliminating device is used for eliminating waves.
2. The ecological floating bed device according to claim 1,
the frame structure is made of shelf angle irons, and the shelf angle irons are connected and fixed by screws;
the frame construction is the three-dimensional four prismoids of invering, the long width of bottom surface is 4m, 2m respectively on the four prismoids rectangle of invering, and the height of four prismoids is 0.5m, and the contained angle of four prismoids side edge length and horizontal plane is 70 ~ 80.
3. The ecological floating bed device according to claim 2, wherein the floating ball has a diameter of 11cm, is made of PVC material, and is fixed to the upper bottom surface of the frame structure at the trisections of the long side and the bisector of the short side.
4. The ecological floating bed device according to claim 1, wherein the wire netting has a thickness of 3-5 cm.
5. The ecological floating bed device according to claim 1, wherein the three-dimensional plant net has a size of 1-3 cm, a packing thickness of 12-15 cm, and a height of 30-35 cm from the water surface/the lower surface of the ice layer.
6. The ecological floating bed device according to claim 1, wherein the filling material is shale, and the specific gravity of the water and the shale is 1: 1.1-1.5.
7. The ecological floating bed device according to claim 1,
the fixing device is a fixing pile, the fixing pile is connected with the ecological floating bed through a first fixing rope, and bottom mud is pricked into the bottom of the fixing pile;
the fixing pile is made of a steel pipe and is 2-3 m long;
the first fixing rope is a steel wire core nylon rope with the thickness of 8 mm.
8. The ecological floating bed device of claim 1, wherein the ecological floating bed device comprises a plurality of ecological floating beds, and the ecological floating bed units are connected with each other through second fixing ropes;
the second fixing rope is a 8mm steel wire core nylon rope.
9. The ecological floating bed device according to claim 1,
the wave dissipation device comprises a steel pipe, a purse net and a connecting ring, wherein the purse net is connected with the steel pipe through the connecting ring;
the wave dissipation device is arranged at a position 10m away from the ecological floating bed and is designed into an arc shape;
the diameter of the steel pipe is 8-10 cm, the length of the steel pipe is 2-3 m, the steel pipe is exposed out of the water surface by 1m when the steel pipe is installed, and the steel pipe is arranged along the purse net every 5 m;
the purse net is a fishing net and is arranged to be exposed 1m above the water surface;
the connecting ring is made of stainless steel and has a diameter of 10 cm.
10. The ecological floating bed device according to claim 1, wherein the aquatic plant is selected from one or more of peanut, allium fistulosum and ryegrass.
CN202010024650.5A 2020-01-10 2020-01-10 Ecological floating bed device Pending CN111072152A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112028387A (en) * 2020-08-12 2020-12-04 东珠生态环保股份有限公司 Artificial wetland restoration method for non-point source polluted water treatment
CN113906983A (en) * 2021-11-08 2022-01-11 杭州珊瑚环境科技有限公司 Hydro-fluctuation belt plant lifting system and control method thereof

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CN102001797A (en) * 2010-12-15 2011-04-06 东南大学 Stepwise function-intensified biological and ecological oxidation pond and method for deeply purifying water quality
CN103704113A (en) * 2013-12-13 2014-04-09 苏州展业环保工程有限公司 Ecological dam device for aquaculture pollution control and ecological restoration
CN203625129U (en) * 2013-10-19 2014-06-04 深圳职业技术学院 Floating bed type alga removing and landscaping device
CN104129859A (en) * 2014-08-19 2014-11-05 中国科学院南京地理与湖泊研究所 Method for purifying water by using aquatic-floating-plant floating bed
CN104310588A (en) * 2014-10-16 2015-01-28 林南雄 Wave-absorbing floating assisting device for ecological floating bed
CN104961239A (en) * 2015-07-10 2015-10-07 武汉中科水生环境工程股份有限公司 Compound ecological floating bed
CN105948263A (en) * 2016-05-18 2016-09-21 哈尔滨工业大学 Multifunctional ecological purifying wall system and application thereof
WO2018129896A1 (en) * 2017-01-11 2018-07-19 深圳市碧园环保技术有限公司 Artificial wetland system for advanced treatment of tail water from sewage treatment plant
CN110372099A (en) * 2019-08-09 2019-10-25 武汉中科水生环境工程股份有限公司 A kind of clear flotation bed
CN211999047U (en) * 2020-01-10 2020-11-24 中国科学院南京地理与湖泊研究所 Ecological floating bed device

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Publication number Priority date Publication date Assignee Title
CN102001797A (en) * 2010-12-15 2011-04-06 东南大学 Stepwise function-intensified biological and ecological oxidation pond and method for deeply purifying water quality
CN203625129U (en) * 2013-10-19 2014-06-04 深圳职业技术学院 Floating bed type alga removing and landscaping device
CN103704113A (en) * 2013-12-13 2014-04-09 苏州展业环保工程有限公司 Ecological dam device for aquaculture pollution control and ecological restoration
CN104129859A (en) * 2014-08-19 2014-11-05 中国科学院南京地理与湖泊研究所 Method for purifying water by using aquatic-floating-plant floating bed
CN104310588A (en) * 2014-10-16 2015-01-28 林南雄 Wave-absorbing floating assisting device for ecological floating bed
CN104961239A (en) * 2015-07-10 2015-10-07 武汉中科水生环境工程股份有限公司 Compound ecological floating bed
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CN110372099A (en) * 2019-08-09 2019-10-25 武汉中科水生环境工程股份有限公司 A kind of clear flotation bed
CN211999047U (en) * 2020-01-10 2020-11-24 中国科学院南京地理与湖泊研究所 Ecological floating bed device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112028387A (en) * 2020-08-12 2020-12-04 东珠生态环保股份有限公司 Artificial wetland restoration method for non-point source polluted water treatment
CN113906983A (en) * 2021-11-08 2022-01-11 杭州珊瑚环境科技有限公司 Hydro-fluctuation belt plant lifting system and control method thereof

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