CN110810158A - Method for constructing underwater grass blanket foundation bed - Google Patents
Method for constructing underwater grass blanket foundation bed Download PDFInfo
- Publication number
- CN110810158A CN110810158A CN201911029608.6A CN201911029608A CN110810158A CN 110810158 A CN110810158 A CN 110810158A CN 201911029608 A CN201911029608 A CN 201911029608A CN 110810158 A CN110810158 A CN 110810158A
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- China
- Prior art keywords
- net
- nylon
- mesh
- throwing
- covering
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Abstract
The invention discloses a method for constructing an underwater grass blanket foundation bed in the technical field of surface landscape water ecological treatment, which comprises the following steps: laying a bottom net: laying a layer of nylon mesh on the ground of the river bottom without netting, wherein the nylon mesh is used as a bottom net, and the periphery of the mesh is fixed by a sand bag sewn by screen cloth; placing submerged plants: directly throwing seeds and binding and throwing seeds by stones are adopted to place submerged plants, and the seeds are uniformly thrown on the paved net pieces; covering a net and pressing submerged plants: the method is suitable for being applied to river channels at hard river bottoms, river channels at urban hard river bottoms and community landscape type pools, can quickly build underwater forest landscape, has good vegetation covering effect, adopts the nylon net sheets and the sand bags, has good submerged plant growing effect, has relatively good mollusk inhabitation effect of water, and can prevent fishes in the water from being directly stirred.
Description
Technical Field
The invention discloses a method for constructing an underwater grass blanket foundation bed, and particularly relates to the technical field of ecological treatment of surface landscape water.
Background
The water ecological restoration is hot at present, the non-water body transparency is improved, the water quality is improved, the underwater landscape change is improved, the best underwater effect is to plant the submerged plant tape grass to form a substrate coverage, but the plant planting needs certain planting soil, many river channels cannot have planting conditions due to dredging treatment and river slope hardening treatment, even the river bottom is basically a gravel substrate, but the part of the area is often a near bank area, the landscape effect requirement is high, the water depth is generally within 120cm, the water body can be clear after being restored, and therefore the method is required to meet the planting requirement as far as possible.
When general submerged plants are planted, a suitable planting bottom mud layer of more than 5-10cm is required to be beneficial to growth and stability of root systems of the submerged plants in principle, buoyancy of the plants is overcome, covering of the water bottom surface of the ground is formed, and the effect required by design is achieved.
Disclosure of Invention
The invention aims to provide a method for constructing an underwater grass blanket foundation bed, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method of constructing an underwater grass blanket foundation bed, the method comprising the steps of:
the method comprises the following steps: laying a bottom net: laying a layer of nylon mesh on the ground of the river bottom without netting, wherein the nylon mesh is used as a bottom net, and the periphery of the mesh is fixed by a sand bag sewn by screen cloth;
step two: placing submerged plants: directly throwing seeds and binding stones to throw seeds to place submerged plants, manually and uniformly throwing the submerged plants on the paved bottom net directly by adopting a direct seed throwing method when the water level is shallow water of 10-20 cm during seed throwing, binding the roots of the submerged plants on the stones by using rubber bands when the water level is 100cm during seed throwing, and uniformly throwing the seeds on the paved net sheets;
step three: covering a net and pressing submerged plants: and flatly covering the nylon net on the net piece after the seed throwing is finished, covering from one side to the other side, and synchronously pressing by using a sand bag in the covering process to ensure that the two layers of net pieces are basically stuck together.
Preferably, the area value of the mesh sheet in the first step is more than 20% of the actual laying area value.
Preferably, the mesh diameter of the net piece in the first step is less than 2 cm.
Preferably, the submerged plant in the second step is one or more of the combination of the Sphaeranthus spinosa, the hydrilla verticillata or the waterweed.
Preferably, the mesh diameter of the net covering sheet in the third step is less than 4 cm.
Preferably, the sand bag material in the third step is made of nylon meshes with the aperture within 2cm and filled with crushed stones.
Compared with the prior art, the invention has the beneficial effects that:
1) the method is suitable for being applied to riverways with hard river bottoms, urban riverways with hard river bottoms and community landscape type pools, the underwater forest landscape is quickly built, and the vegetation coverage effect is good;
2) the method adopts nylon meshes and sand bags, the submerged plants have good growth effect in pieces, meanwhile, the mollusk inhabiting effect of the water body is relatively good, and the direct stirring of fishes in the water body can be prevented.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a method for constructing an underwater grass blanket foundation bed, which comprises the following steps:
the method comprises the following steps that a layer of nylon net sheets are laid on the bottom ground of a landscape river in the Nippon bay, the nylon net sheets are free of net knots, the diameters of net holes of the net sheets are controlled within 2cm and used as bottom nets, sand bags sewn by net cloth are adopted around the net sheets to fix the net sheets, the sizes of the net sheets are spliced or cut according to actual field conditions, but the sizes of the net sheets need to be larger than the actual area by about 20%, the net sheets cannot be stretched tightly during laying, but are basically close to the ground, and for part of the overlarge net sheets, the nylon net sheets are easy to float, and the sand bags or small stones;
placing submerged plants after the bottom net is laid, selecting the dense-thorn tape grass, directly throwing and planting natural cluster tape grass on the laid bottom net by manual work uniformly by adopting a direct throwing method when the landscape river level of the Nippon flower bay is less than 20cm, wherein the tape grass plants can basically stand naturally without floating, the density requires about 15 buds/cluster and 25 clusters/m2；
And finishing seed throwing, wherein the last procedure comprises covering a net and pressing. The cover net is made of nylon net sheets with the diameter within 4cm, the nylon net sheets are flatly covered on the net sheets after seeds are thrown, the nylon net sheets are covered from one side to the other side, sand bags are synchronously used for pressing in the covering process, the two layers of net sheets are basically attached together, if the spliced cover net sheets are overlapped and overlapped at the joint position, the overlapping width is not less than 20cm, and the sand bags are pressed. The periphery of the covered area is firmly pressed by a sand bag to prevent floating and stirring fishes such as carps from entering. The length of the sand bag is 6m, the diameter of the sand bag is 9cm, the material for sewing the sand bag adopts a nylon net sheet with the aperture within 2cm, the broken stone is filled in the nylon net sheet, and submerged plant plants can grow into the sand bag for beautifying in the later period.
Example 2
The invention provides a method for constructing an underwater grass blanket foundation bed, which comprises the following steps:
the method comprises the following steps that a layer of nylon net is laid on the bottom ground of a town river of an open ancient town protective town, no net is tied, the diameter of net holes of the net is controlled within 2cm, the net is used as a bottom net, the periphery of the net is fixed by sand bags sewn by net cloth, the size of the net is spliced or cut according to actual field conditions, but the size of the net needs to be about 20% larger than the actual area, the net cannot be tightened during laying, but is basically close to the ground, and for part of the net which is too large, the net is easy to float and can be directly pressed by the sand bags or small stones;
placing submerged plants after the bottom net is laid, selecting densely-spiked tape grass, controlling the water level of the urban river in the open ancient town to be more than 20cm and keeping the water level to be more than 50cm throughout the year, binding and throwing seeds by adopting stones, manually binding the roots of the submerged plants on the stones by using rubber bands, uniformly throwing the seeds on the laid net pieces, generally adopting 2 rubber bands, wherein the rubber bands can age, break and decompose within 3 months, and the density requires about 30 buds/clumps and 49 clumps/m2；
And finishing seed throwing, wherein the last procedure comprises covering a net and pressing. The cover net is made of nylon net sheets with the diameter within 4cm, the nylon net sheets are flatly covered on the net sheets after seeds are thrown, the nylon net sheets are covered from one side to the other side, sand bags are synchronously used for pressing in the covering process, the two layers of net sheets are basically attached together, if the spliced cover net sheets are overlapped and overlapped at the joint position, the overlapping width is not less than 20cm, and the sand bags are pressed. The periphery of the covered area is firmly pressed by a sand bag to prevent floating and stirring fishes such as carps from entering. The length of the sand bag is 6m, the diameter of the sand bag is 9cm, the material for sewing the sand bag adopts a nylon net sheet with the aperture within 2cm, the broken stone is filled in the nylon net sheet, and submerged plant plants can grow into the sand bag for beautifying in the later period.
Example 3
The invention provides a method for constructing an underwater grass blanket foundation bed, which comprises the following steps:
laying a layer of nylon mesh on the ground of the bottom of a Shangxian lake, wherein the nylon mesh is not knotted, the mesh diameter of the mesh is controlled within 2cm, the nylon mesh serves as a bottom net, the periphery of the mesh is fixed by sand bags sewn by mesh cloth, the size of the mesh is spliced or cut according to the actual situation on site, but the size of the mesh is required to be larger than the actual area by about 20%, the mesh cannot be stretched too tightly during laying, but is basically close to the ground, and for part of the oversize mesh, the nylon mesh is easy to float and is directly pressed by the sand bags or small stones;
bottom netPlacing submerged plants after laying, selecting the Dendropanax spinosa with the level of Shangxian lake less than 20cm, adopting a direct seed throwing method, manually and uniformly and directly throwing and planting natural cluster-shaped tape grass on a laid bottom net, wherein the tape grass plants can basically stand naturally without floating, the density requirement is about 15 buds/cluster, and 25 clusters/m2；
And finishing seed throwing, wherein the last procedure comprises covering a net and pressing. The cover net is made of nylon net sheets with the diameter within 4cm, the nylon net sheets are flatly covered on the net sheets after seeds are thrown, the nylon net sheets are covered from one side to the other side, sand bags are synchronously used for pressing in the covering process, the two layers of net sheets are basically attached together, if the spliced cover net sheets are overlapped and overlapped at the joint position, the overlapping width is not less than 20cm, and the sand bags are pressed. The periphery of the covered area is firmly pressed by a sand bag to prevent floating and stirring fishes such as carps from entering. The length of the sand bag is 6m, the diameter of the sand bag is 9cm, the material for sewing the sand bag adopts a nylon net sheet with the aperture within 2cm, the broken stone is filled in the nylon net sheet, and submerged plant plants can grow into the sand bag for beautifying in the later period.
After the cover of the embodiment above, the new root begins to sprout in general 7 days, carry out self fixed in the base gap can be pricked into to the new root, 15 days begin to sprout new plant bud, new bud is because the net piece covers the influence, unable direct growth, can cross growth one section distance after drilling out the net piece, form new plant, because the new plant derivation direction that the plant parent of difference formed is different, some can bore the first floor net bottom, some can direct two-layer net piece direct growth, criss-cross each other, finally form the carpet state, form the cover to the bottom, generally can see that the effect time is in 60 days, reach stable effect 180 days.
The principle is that suspended particles of water are continuously deposited at all water bottoms to form a sludge layer, roots of growing submerged plants are covered and backfilled, nutrition is provided for the submerged plants, the precipitated suspended particles are prevented from being suspended again due to flowing of fishes and water flow, accordingly, transparency of the water is guaranteed not to be excessively influenced, and meanwhile, a growing living environment and breeding conditions are provided for water mollusks.
While the invention has been described with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the various embodiments of the invention disclosed may be used in any combination whatsoever without structural conflict, and the failure to exhaustively describe such combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A method for constructing an underwater grass blanket foundation bed is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: laying a bottom net: laying a layer of nylon mesh on the ground of the river bottom without netting, wherein the nylon mesh is used as a bottom net, and the periphery of the mesh is fixed by a sand bag sewn by screen cloth;
step two: placing submerged plants: directly throwing seeds and binding stones to throw seeds to place submerged plants, manually and uniformly throwing the submerged plants on the paved bottom net directly by adopting a direct seed throwing method when the water level is shallow water of 10-20 cm during seed throwing, binding the roots of the submerged plants on the stones by using rubber bands when the water level is 100cm during seed throwing, and uniformly throwing the seeds on the paved net sheets;
step three: covering a net and pressing submerged plants: and flatly covering the nylon net on the net piece after the seed throwing is finished, covering from one side to the other side, and synchronously pressing by using a sand bag in the covering process to ensure that the two layers of net pieces are basically stuck together.
2. The method of claim 1, wherein the method comprises: in the first step, the area value of the bottom net meshes is larger than 20% of the actual laying area value.
3. The method of claim 1, wherein the method comprises: in the first step, the mesh diameter of the bottom mesh sheet is less than 2 cm.
4. The method of claim 1, wherein the method comprises: and in the second step, the submerged plant is one or more of the combination of the picrasma gracilis, the hydrilla verticillata or the elodea nutans.
5. The method of claim 1, wherein the method comprises: and in the third step, the diameter of the meshes of the net covering net sheets is less than 4 cm.
6. The method of claim 1, wherein the method comprises: the sand bag material in the third step is made of nylon meshes with the aperture within 2cm and filled with broken stones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029608.6A CN110810158A (en) | 2019-10-28 | 2019-10-28 | Method for constructing underwater grass blanket foundation bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029608.6A CN110810158A (en) | 2019-10-28 | 2019-10-28 | Method for constructing underwater grass blanket foundation bed |
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| Publication Number | Publication Date |
|---|---|
| CN110810158A true CN110810158A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911029608.6A Pending CN110810158A (en) | 2019-10-28 | 2019-10-28 | Method for constructing underwater grass blanket foundation bed |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003328337A (en) * | 2002-05-14 | 2003-11-19 | Tankatsu:Kk | Seedling and planting base material and seedling and planting construction method using the same |
| CN101543167A (en) * | 2009-03-23 | 2009-09-30 | 南京中科水治理工程有限公司 | Method for planting submerged plant under a condition of hardground and non sludge |
| CN201999795U (en) * | 2011-01-28 | 2011-10-05 | 上海海洋大学 | Continuous sedimentation type ecological meshed bed for submerged plants |
| CN203136704U (en) * | 2013-01-30 | 2013-08-21 | 林惟 | Vegetation blanket for aquatic plants with hard bottoms |
| CN103663714A (en) * | 2013-12-21 | 2014-03-26 | 上海海洋大学 | Double-layer net bed for repairing water by planting submerged plants and water repairing method |
| CN205556240U (en) * | 2016-03-30 | 2016-09-07 | 广州资源环保科技股份有限公司 | A device for benthophyte community founds fast |
| CN108934809A (en) * | 2018-06-21 | 2018-12-07 | 四川盈乾建设工程有限公司 | Hard lakebed submerged plant field planting method |
| CN109258327A (en) * | 2018-09-14 | 2019-01-25 | 浙江中誉生态环境科技有限公司 | A kind of submerged plant planting system and implantation methods for hardening bottom |
| CN109566394A (en) * | 2019-01-04 | 2019-04-05 | 郑州大学 | A kind of submerged plant planting net for hard cobble side slope |
-
2019
- 2019-10-28 CN CN201911029608.6A patent/CN110810158A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003328337A (en) * | 2002-05-14 | 2003-11-19 | Tankatsu:Kk | Seedling and planting base material and seedling and planting construction method using the same |
| CN101543167A (en) * | 2009-03-23 | 2009-09-30 | 南京中科水治理工程有限公司 | Method for planting submerged plant under a condition of hardground and non sludge |
| CN201999795U (en) * | 2011-01-28 | 2011-10-05 | 上海海洋大学 | Continuous sedimentation type ecological meshed bed for submerged plants |
| CN203136704U (en) * | 2013-01-30 | 2013-08-21 | 林惟 | Vegetation blanket for aquatic plants with hard bottoms |
| CN103663714A (en) * | 2013-12-21 | 2014-03-26 | 上海海洋大学 | Double-layer net bed for repairing water by planting submerged plants and water repairing method |
| CN205556240U (en) * | 2016-03-30 | 2016-09-07 | 广州资源环保科技股份有限公司 | A device for benthophyte community founds fast |
| CN108934809A (en) * | 2018-06-21 | 2018-12-07 | 四川盈乾建设工程有限公司 | Hard lakebed submerged plant field planting method |
| CN109258327A (en) * | 2018-09-14 | 2019-01-25 | 浙江中誉生态环境科技有限公司 | A kind of submerged plant planting system and implantation methods for hardening bottom |
| CN109566394A (en) * | 2019-01-04 | 2019-04-05 | 郑州大学 | A kind of submerged plant planting net for hard cobble side slope |
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Application publication date: 20200221 |