CN110745964A - Device for purifying water quality of rivers and lakes by using submerged plants and using method thereof - Google Patents
Device for purifying water quality of rivers and lakes by using submerged plants and using method thereof Download PDFInfo
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- CN110745964A CN110745964A CN201911201870.4A CN201911201870A CN110745964A CN 110745964 A CN110745964 A CN 110745964A CN 201911201870 A CN201911201870 A CN 201911201870A CN 110745964 A CN110745964 A CN 110745964A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 18
- 241000196324 Embryophyta Species 0.000 claims abstract description 142
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 26
- 238000007667 floating Methods 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 230000035784 germination Effects 0.000 claims description 6
- 238000003306 harvesting Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 241000555922 Potamogeton crispus Species 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 241001113556 Elodea Species 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000735527 Eupatorium Species 0.000 description 1
- 235000017879 Nasturtium officinale Nutrition 0.000 description 1
- 240000005407 Nasturtium officinale Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241001123263 Zostera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological 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)
- Catching Or Destruction (AREA)
- Hydroponics (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a device for purifying the water quality of rivers and lakes by using submerged plants and a using method thereof, wherein the device comprises a waterweed attachment rope, the submerged plants, a waterweed attachment rope fixing pile and a foam floating ball; the submerged plants are uniformly clamped on the waterweed attachment ropes, two ends of the waterweed attachment ropes are respectively fixed through waterweed attachment rope fixing piles at two sides, and the lower parts of the waterweed attachment rope fixing piles are inserted into bottom mud below a water body; the middle part of the float grass attaching rope is bound with a foam floating ball through a lifting rope, and the foam floating ball floats on the water surface; the plurality of aquatic weed attaching ropes are arranged in parallel in the water body to form aquatic weed attaching rope groups, and a maintenance ship channel is reserved between the aquatic weed attaching rope groups. The invention utilizes the advantages of the water quality purification function of the submerged plant and the adjustable depth of the submerged plant attachment rope to carry out the ecological purification work of the water quality in the water body which is not suitable for carrying out the recovery of the submerged plant, and the invention has simple construction process and low cost.
Description
Technical Field
The invention relates to the field of water ecological restoration, in particular to a device for purifying the water quality of rivers and lakes by using submerged plants and a using method thereof.
Background
In recent years, with the rapid advance of urbanization in China, environmental protection supporting measures cannot be effectively improved, and the pollution to rivers and lakes in most cities in China is serious. In order to control surface water pollution, purify water environment and restore water ecology, a large number of purification technologies taking aquatic plants as purification main bodies are applied in environmental engineering.
The submerged plant restoration technology is a common water body ecological restoration technology at present, and a large amount of researches and surveys show that the submerged plant restoration can effectively improve the water quality of a water body. However, the submerged plant restoration technology is difficult, community simplification and even community extinction can be caused by uncertain submerged plant community succession process, the root cause is that water body exogenous pollution is not effectively controlled, and the growth of the submerged plant is limited due to low water body transparency.
In addition, the floating bed of the submerged plant which can be lifted can be used in rivers and lakes with deeper water depth which are not suitable for the recovery of the submerged plant (ZL 101306868B, ZL 201720010518.2); in addition, the method for planting the artificial turf submerged plants (ZL 201510677772.3) can be used for cultivating the submerged plant turf in a cultivation base and directly transplanting the cultivated submerged plant turf to an engineering site, the survival rate of the submerged plants is guaranteed by the methods, and ecological purification of water quality is carried out on the submerged plants in a water body which is not suitable for growing. However, the above techniques and methods also have their own disadvantages, the greatest of which is higher cost, and secondly, the problem of greater construction difficulty, and currently, there is no large-scale popularization.
Disclosure of Invention
The invention aims to provide a device for purifying the water quality of submerged plants, which is less influenced by the water quality and the water level of a water body, and a using method thereof, so that the water quality purifying effect of the submerged plants is utilized to reduce the concentration of suspended matters and nitrogen and phosphorus in the water body, improve the underwater illumination condition, control the plankton algae in the water body, improve the transparency of the water body and provide good underwater habitat conditions for the reconstruction of aquatic plants in the water body which is not suitable for restoring the submerged plants.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a device for purifying the water quality of rivers and lakes by using submerged plants comprises a waterweed attached rope, the submerged plants, a waterweed attached rope fixing pile and a foam floating ball; the submerged plants are uniformly tied on the aquatic weed attaching ropes, two ends of the aquatic weed attaching ropes are respectively fixed through aquatic weed attaching rope fixing piles at two sides, and the lower parts of the aquatic weed attaching rope fixing piles are inserted into bottom mud below the water body; the middle part of the float grass attaching rope is bound with a foam floating ball through a lifting rope, and the foam floating ball floats on the water surface; the plurality of aquatic weed attaching ropes are arranged in parallel in the water body to form aquatic weed attaching rope groups, and a maintenance ship channel is reserved between the aquatic weed attaching rope groups.
Furthermore, the pasture and water attaching rope consists of 3-5 strands of thin ropes, is made of polyethylene pressed film ropes, and has the diameter of 15-30 mm.
Furthermore, 15-20 plants of aquatic weeds are planted every 1m on the grass attaching rope, and the aquatic weeds are submerged plants with good water quality purification effect and developed root systems.
Further, the submerged plant is selected from the group consisting of eel grass, malayan eupatorium herb, watercress watermifoil or curly pondweed.
Furthermore, the length of each float grass attaching rope is 50-100m, and a float ball and a lifting rope are arranged every 5-10 m. A plurality of pasture and water attached ropes are arranged in parallel in the water body, and the distance between the ropes is 10 cm. Every 15 attached ropes form a pasture and water attached rope group, and the interval between the pasture and water attached rope groups is 50cm and is used for the maintenance ship to pass through.
Further, the height of the float grass attaching rope is determined by the transparency of the water body, and the depth from the top of the float grass plant to the water surface is less than 2 times of the transparency.
Furthermore, floating balls of different attached ropes are fixedly supported by a floating PVC hard pipe, so that the different attached ropes are prevented from being twisted together.
The method for tying the aquatic weeds comprises the following steps: 3-5 strands of the pasture and water attaching ropes are divided, the roots of the pasture and water are plugged into gaps among the ropes, and then the pasture and water attaching ropes are restored to clamp the roots of the pasture and water.
Harvesting submerged plants on the float grass attaching rope: in the aquatic plant putrefaction period in autumn and winter, taking out water from the aquatic plant attaching rope, harvesting stem and leaf parts of the submerged plant, and putting the aquatic plant attaching rope into the water body again or cutting the stem and leaf parts of the submerged plant in situ in the water body; meanwhile, when the submerged plant is harvested, the root of the submerged plant is reserved for re-germination in the next year.
The method comprises the following steps of (1) supplementing aquatic weeds on aquatic weed attaching ropes: and in the germination season of the aquatic weeds in the second year, regularly checking the germination condition of the submerged plants, and timely replanting the submerged plants for the rope sections which cannot germinate.
Compared with the prior art, the invention has the beneficial effects that:
the invention designs a purification system for attaching submerged plants by taking aquatic weed attaching ropes as carriers, and utilizes the advantages of the water quality purification effect of the submerged plants and the adjustable depth of the submerged plant attaching ropes to carry out the ecological purification work of water quality in water bodies which are not suitable for carrying out the recovery of the submerged plants. The invention has simple construction process and cost far lower than the technologies of liftable submerged plant floating beds, submerged plant artificial turf and the like researched by the predecessor.
Drawings
FIG. 1: the structure of the float grass attaching rope is schematically shown.
FIG. 2: the top view structure of the pasture and water attaching rope group is schematically shown.
FIG. 3: the top view structure between the waterweed attached rope groups is schematic.
In the figure: 1-float grass attaching rope, 2-submerged plant, 3-foam floating ball, 4-float grass attaching rope fixing pile, 5-bottom mud, 6-PVC hard pipe and 7-maintenance of ship channel.
Detailed Description
The present invention will be further described with reference to the following specific examples.
A device for purifying the water quality of rivers and lakes by using submerged plants 2 comprises a waterweed attached rope 1, the submerged plants 2, a waterweed attached rope fixing pile 4 and a foam floating ball 3; the submerged plants 2 are uniformly tied on the aquatic weed attaching ropes 1, two ends of the aquatic weed attaching ropes 1 are respectively fixed through aquatic weed attaching rope fixing piles 4 on two sides, and the lower parts of the aquatic weed attaching rope fixing piles 4 are inserted into bottom mud 5 below the water body; the middle part of the float grass attaching rope 1 is bound with a foam floating ball 3 through a lifting rope, and the foam floating ball 3 floats on the water surface; the aquatic weed attaching ropes 1 are arranged in parallel in the water body to form aquatic weed attaching rope groups, and maintenance ship channels 7 are reserved between the aquatic weed attaching rope groups.
The pasture and water attaching rope 1 is composed of 3-5 strands of thin ropes, is made of polyethylene pressed film ropes, has the diameter of 15-30mm, and ensures that the pasture and water attaching rope is not easy to age after being used in a field underwater environment for a long time.
The grass is attached to the rope, 15-20 plants of aquatic grass are planted every 1m, and the aquatic grass is a submerged plant 2 with good water quality purification effect and developed root system. The submerged plant 2 is selected from herba Sonchi Oleracei, herba Malloti Apeltae, watermifoil or curly pondweed.
The depth of the aquatic plant attaching rope 1 can be reduced along with the gradual growth of the submerged plant 2 on the aquatic plant attaching rope 1, so as to ensure that the plant of the submerged plant 2 is completely submerged in the water body.
The length of each float grass attaching rope 1 is 50-100m, and a float ball and a lifting rope are arranged every 5-10m so as to ensure that the float grass ropes and the float grass can be suspended at proper height in the water body. A plurality of pasture and water attached ropes 1 are arranged in parallel in the water body, and the distance between the ropes is 10 cm. Every 15 attached ropes form a pasture and water attached rope group, and the interval between the pasture and water attached rope groups is 50cm and is used for the maintenance ship to pass through.
The height of the float grass attaching rope 1 is determined by the transparency of the water body, and the depth from the top of the float grass plant to the water surface is less than 2 times of the transparency.
The floating balls of different attached ropes are fixedly supported by the floating PVC hard pipe 6, so that the different attached ropes are prevented from being twisted together.
The method for tying the aquatic weeds comprises the following steps: the thin ropes of the aquatic weed attaching rope are separated, the root of the aquatic weed is plugged into the gap between the thin ropes, and then the aquatic weed attaching rope is restored to clamp the root of the aquatic weed.
Harvesting submerged plants on the float grass attaching rope: in the aquatic plant putrefaction period in autumn and winter, taking out water from the aquatic plant attaching rope, harvesting stem and leaf parts of the submerged plant, and putting the aquatic plant attaching rope into the water body again or cutting the stem and leaf parts of the submerged plant in situ in the water body; meanwhile, when the submerged plant is harvested, the root of the submerged plant is reserved for re-germination in the next year.
The method comprises the following steps of (1) supplementing aquatic weeds on aquatic weed attaching ropes: and in the germination season of the aquatic weeds in the second year, regularly checking the germination condition of the submerged plants, and timely replanting the submerged plants for the rope sections which cannot germinate.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any person skilled in the art can make any simple modification, equivalent replacement, and improvement on the above embodiment without departing from the technical spirit of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an utilize device of benthophyte purification river lake quality of water which characterized in that: comprises a float grass attaching rope, a submerged plant, a float grass attaching rope fixing pile and a foam floating ball; the submerged plants are uniformly bound and clamped on the aquatic weed attaching ropes, two ends of the aquatic weed attaching ropes are respectively fixed through aquatic weed attaching rope fixing piles on two sides, and the lower parts of the aquatic weed attaching rope fixing piles are inserted into bottom mud below the water body; the middle part of the float grass attaching rope is bound with a foam floating ball through a lifting rope, and the foam floating ball floats on the water surface; the plurality of aquatic weed attaching ropes are arranged in parallel in the water body to form aquatic weed attaching rope groups, and a maintenance ship channel is reserved between the aquatic weed attaching rope groups.
2. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 1, wherein: the pasture and water attaching rope consists of 3-5 strands of thin ropes, is made of polyethylene film pressing ropes, and has the diameter of 15-30 mm.
3. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 1, wherein: the aquatic weeds are attached to the ropes, 15-20 aquatic weeds are planted every 1m, and the aquatic weeds are submerged plants with good water quality purification effect and developed root systems.
4. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 3, wherein: the submerged plant is selected from herba Sonchi Oleracei, Malaysia Aromatica, watermifoil or Potamogeton crispus.
5. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 1, wherein: the length of each float ball and each lifting rope are 50-100m, and each float ball and each lifting rope are arranged at intervals of 5-10 m; a plurality of pasture and water attaching ropes are arranged in parallel in the water body, and the distance between the ropes is 10 cm; every 15 attached ropes form a pasture and water attached rope group, and the interval between the pasture and water attached rope groups is 50cm and is used for the maintenance ship to pass through.
6. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 1, wherein: the height of the float grass attaching rope is determined by the transparency of the water body, and the depth from the top of the float grass plant to the water surface is less than 2 times of the transparency.
7. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 1, wherein: the floating balls of different attached ropes are fixedly supported by the floating PVC hard pipe, so that the different attached ropes are prevented from being twisted together.
8. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 2, wherein: the method for tying the aquatic weeds comprises the following steps: the thin ropes of the aquatic weed attaching rope are separated, the root of the aquatic weed is plugged into the gap between the thin ropes, and then the aquatic weed attaching rope is restored to clamp the root of the aquatic weed.
9. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 1, wherein: harvesting submerged plants on the float grass attaching rope: in the aquatic plant putrefaction period in autumn and winter, taking out water from the aquatic plant attaching rope, harvesting stem and leaf parts of the submerged plant, and putting the aquatic plant attaching rope into the water body again or cutting the stem and leaf parts of the submerged plant in situ in the water body; meanwhile, when the submerged plant is harvested, the root of the submerged plant is reserved for re-germination in the next year.
10. The device for purifying the water quality of rivers and lakes by using the submerged plants as claimed in claim 1, wherein: the method comprises the following steps of (1) supplementing aquatic weeds on aquatic weed attaching ropes: and in the germination season of the aquatic weeds in the second year, regularly checking the germination condition of the submerged plants, and timely replanting the submerged plants for the rope sections which cannot germinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201870.4A CN110745964A (en) | 2019-11-29 | 2019-11-29 | Device for purifying water quality of rivers and lakes by using submerged plants and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201870.4A CN110745964A (en) | 2019-11-29 | 2019-11-29 | Device for purifying water quality of rivers and lakes by using submerged plants and using method thereof |
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| CN110745964A true CN110745964A (en) | 2020-02-04 |
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| CN201911201870.4A Pending CN110745964A (en) | 2019-11-29 | 2019-11-29 | Device for purifying water quality of rivers and lakes by using submerged plants and using method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204350727U (en) * | 2014-12-25 | 2015-05-27 | 湖南源清环境工程有限公司 | Ball float submerged plant planting bed |
| CN205472958U (en) * | 2016-01-27 | 2016-08-17 | 上海园林绿化建设有限公司 | Ecological bed in river course based on short nothing flower eel grass |
| CN110291984A (en) * | 2019-08-09 | 2019-10-01 | 中国水产科学研究院渔业机械仪器研究所 | Raft frame and system for large-scale waters deep water plantation water plant |
| CN211141660U (en) * | 2019-11-29 | 2020-07-31 | 生态环境部南京环境科学研究所 | Device for purifying water quality of rivers and lakes by using submerged plants |
-
2019
- 2019-11-29 CN CN201911201870.4A patent/CN110745964A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204350727U (en) * | 2014-12-25 | 2015-05-27 | 湖南源清环境工程有限公司 | Ball float submerged plant planting bed |
| CN205472958U (en) * | 2016-01-27 | 2016-08-17 | 上海园林绿化建设有限公司 | Ecological bed in river course based on short nothing flower eel grass |
| CN110291984A (en) * | 2019-08-09 | 2019-10-01 | 中国水产科学研究院渔业机械仪器研究所 | Raft frame and system for large-scale waters deep water plantation water plant |
| CN211141660U (en) * | 2019-11-29 | 2020-07-31 | 生态环境部南京环境科学研究所 | Device for purifying water quality of rivers and lakes by using submerged plants |
Non-Patent Citations (1)
| Title |
|---|
| 刘信勇等: "北方河流生态治理模式及实践", vol. 1, 黄河水利出版社, pages: 223 - 224 * |
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