Ecological restoration structure for coastal salt marsh land

By designing drainage ditches and planting layers in coastal salt marshes, the problem of saline water impact in the ecological restoration of salt marshes was solved, improving plant survival rate and ecological restoration effect, and reducing restoration costs.

CN223568288UActive Publication Date: 2025-11-21SUZHOU GOLD MANTIS GREEN LANDSCAPE LIMITED
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Patent Information

Application Number
CN202423202990.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-21
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Coastal salt marsh wetlands have been severely damaged by human activities and land reclamation projects, making ecological restoration and greening difficult, especially the restoration of saline-alkali desert land.

Method used

Design an ecological restoration structure for coastal salt marshes, including components such as saline-alkali soil layer, drainage ditch, planting layer, blind pipe and isolation layer. The drainage ditch drains underground saline-alkali water, and the planting layer is arranged in a wave shape and the blind pipe drains surface water to improve plant survival rate.

Benefits of technology

It effectively prevents saline water from affecting plant growth, improves plant survival rate, promotes ecological restoration and greening, and reduces irrigation water volume and cost.

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Abstract

The utility model discloses a coastal salt marsh land ecological restoration structure which comprises a saline-alkali soil layer, a drainage blind ditch is arranged on the saline-alkali soil layer, and a cobblestone layer is arranged in the drainage blind ditch. The saline-alkali soil layer is covered with the planting layer, the planting layer is arranged in a wave shape, a plurality of planting holes are formed in the planting layer, plants are planted in the planting holes, isolation layers are arranged between the plants and the planting holes, drainage channels are arranged below the planting holes, through holes are formed in the drainage channels, and the isolation layers and the drainage channels are communicated through the through holes; the blind pipe is arranged below the wave trough of the wavy planting layer, a first water pipe is arranged on the blind pipe, reverse filter geotechnical cloth is arranged between an opening of the first water pipe and the planting layer, and the blind pipe is connected with the drainage channel through a second water pipe. Compared with the prior art, the saline-alkali water can be prevented from backtracking, the survival rate of plant planting is improved, and ecological restoration of the coastal salt marsh desert land is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wetland restoration technical field especially relates to a kind of coastal salt marsh ecological restoration structure. BACKGROUND

[0002] Coastal salt marsh wetland is one of the highest productivity, the most abundant biodiversity ecological system on earth, but in recent years, the intensification of human activities, resulting in salt marsh wetland is seriously damaged even loss, at the same time, also with nearshore engineering especially the implementation of large-scale reclamation project, many coastal wetlands are directly reclamation, natural shoreline is constantly reduced, coastal wetland degradation, with wetland degradation, coastal salt marsh wetland can form coastal saline desert, and it is very difficult and arduous work to carry out ecological restoration and afforestation in coastal saline desert. UTILITY MODEL CONTENT

[0003] The coastal salt marsh ecological restoration structure can prevent saline water from backtracking, improve the survival rate of plant planting, and facilitate ecological restoration of coastal salt marsh desert.

[0004] To achieve the above object, the utility model provides a kind of coastal salt marsh ecological restoration structure, it includes;

[0005] Saline soil layer, drainage hidden ditch is arranged on the saline soil layer, and goose pebble layer is arranged in the drainage hidden ditch;

[0006] Planting layer, the planting layer is covered on the saline soil layer, the planting layer is arranged in wave shape, a plurality of planting holes are arranged on the planting layer, plants are planted in the planting hole, an isolation layer is arranged between the plant and the planting hole, a drainage channel is arranged below the planting hole, a through hole is arranged on the drainage channel, and the through hole is connected with the isolation layer and the drainage channel;

[0007] Blind pipe, the blind pipe is arranged below the wave valley of the planting layer in wave shape, a first water pipe is arranged on the blind pipe, a filter cloth is arranged between the opening of the first water pipe and the planting layer, and the blind pipe is connected with the drainage channel through a second water pipe.

[0008] As a further description of the above technical solution:

[0009] The isolation layer is a water-permeable structure formed by laying stones.

[0010] As a further description of the above technical solution:

[0011] The surface of the planting hole is provided with a vegetation carpet, and grass seed particles are distributed in the vegetation carpet.

[0012] As a further description of the above technical solution:

[0013] A water-resisting layer is arranged between the saline-alkali layer and the planting layer.

[0014] As a further description of the above technical solution:

[0015] A sand gravel filtering layer is arranged between the water-resisting layer and the planting layer.

[0016] As a further description of the above technical solution:

[0017] The water-resisting layer is made of waterproof geotextile.

[0018] As a further description of the above technical solution:

[0019] The drainage underdrain is arranged upwardly protruding in the middle.

[0020] As a further description of the above technical solution:

[0021] The drainage underdrain is formed by bricklaying.

[0022] As a result of the above technical solution, the present application has the following beneficial effects:

[0023] 1. In the present application, when the underground water rises, the underground saline-alkali water can be discharged through the drainage underdrain, so as to avoid the underground saline-alkali water rising into the planting layer and affecting the growth of plants; the drainage underdrain is arranged upwardly protruding in the middle, so as to facilitate the discharge of the water seeping from the planting layer.

[0024] 2. In the present application, the underground saline-alkali water rising into the planting layer can be discharged through the drainage channel in time, so as to improve the drainage property and reduce the salt content around the plant root system, thereby providing the survival rate of plants.

[0025] 3. In the present application, the planting layer is arranged in a wave shape, and the blind pipe is connected to the planting layer through the first water pipe, so as to discharge the surface rainwater of the planting layer in time and prevent the surface water accumulation, thereby preventing the plant root system from being dead due to oxygen deficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0027] Figure 1 It is a structural schematic view of a coastal salt marsh ecological restoration structure.

[0028] Figure 2 For Figure 1 Enlarged view at A in Figure 1.

[0029] Figure 3 For another embodiment of a coastal salt marsh ecological restoration structure.

[0030] Figure 4 For another embodiment of a coastal salt marsh ecological restoration structure.

[0031] Legend:

[0032] 1, saline-alkali soil layer; 2, drainage ditch; 3, pebble layer; 4, planting layer; 5, planting hole; 6, plant; 7, isolation layer; 8, drainage channel; 9, through hole; 10, blind pipe; 11, first water pipe; 12, vegetation blanket; 13, water isolation layer; 14, sand and gravel filter layer. DETAILED DESCRIPTION

[0033] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0035] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0036] In the description of the embodiments of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "inner" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product of the present application is used, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0037] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrange", "install", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be direct connection, also can be indirectly connected through intermediate medium, can be two element inside intercommunication, for ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model with specific circumstances.

[0038] Please refer to Figures 1-4 The utility model provides a kind of coastal salt marsh ecological restoration structure, comprising:

[0039] Saline-alkali soil layer 1, the saline-alkali soil layer 1 is provided with drainage underdrain 2, the drainage underdrain 2 is provided with pebble layer 3 in;

[0040] Planting layer 4, the planting layer 4 covers the saline-alkali soil layer 1, the planting layer 4 is arranged in wave shape, the planting layer 4 is provided with a plurality of planting hole 5, the planting hole 5 is planted with plant 6, the planting hole 5 is provided with isolation layer 7 between the plant 6, the planting hole 5 is provided with drainage 8 below, the drainage 8 is provided with through-hole 9, the through-hole 9 is connected the isolation layer 7 and the drainage 8;

[0041] Blind pipe 10, the blind pipe 10 is arranged below the wave valley of the planting layer 4 of wave shape, the blind pipe 10 is provided with first water pipe 11, the opening of the first water pipe 11 is provided with anti-filtration geotextile between planting layer 4, the blind pipe 10 is connected with drainage 8 by second water pipe.

[0042] The isolation layer 7 is water-permeable structure formed by stone. Good water permeability, when rain falls to root system, isolation layer can quickly lead out rain, rain enters into through-hole along isolation layer, and flows into drainage from through-hole; when waterway is communicated with atmosphere, oxygen can enter into the periphery of plant root system through drainage, through-hole and isolation layer, so as to improve oxygen supply to plant root system and promote the growth of arbor.

[0043] The surface of the planting hole 5 is provided with vegetation blanket 12, and the vegetation blanket 12 is distributed with grass seed particles. The vegetation blanket can provide a growth substrate for herbaceous plants and can retain water in the tree hole, reducing the irrigation water volume and cost of afforestation in coastal saline-alkali soil.

[0044] The water-resisting layer 13 is made of waterproof geotextile, and the sand gravel filter layer 14 is arranged between the water-resisting layer 13 and the planting layer 4. The silt can be preliminarily filtered to avoid a large pressure on the opening position of the water guide pipe.

[0045] The drainage ditch 2 is arranged upwardly protruding in the middle. The drainage ditch is formed by bricks.

[0046] Working principle: when the underground water rises, the underground water can be discharged through the drainage ditch, so as to avoid the underground saline-alkali water rising into the planting layer to affect the growth of plants; the drainage ditch is arranged upwardly protruding in the middle, so as to facilitate the discharge of the water seeping from the planting layer; the underground saline-alkali water rising into the planting layer can be discharged through the drainage channel in time, so as to improve the drainage property, reduce the salt content around the plant root system, and provide the survival rate of plants.

[0047] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An ecological restoration structure for coastal salt marshes, characterized in that, include: A saline-alkali stratum, wherein a drainage ditch is provided on the saline-alkali stratum, and a layer of pebbles is provided in the drainage ditch; A planting layer covers the saline-alkali soil layer and is arranged in a wavy shape. Several planting holes are provided on the planting layer, and plants are planted in the planting holes. An isolation layer is provided between the plants and the planting holes. A drainage channel is provided below the planting holes, and a through hole is provided on the drainage channel, which connects the isolation layer and the drainage channel. A blind pipe is installed below the trough of the wavy planting layer. A first water pipe is installed on the blind pipe. A filter geotextile is installed between the opening of the first water pipe and the planting layer. The blind pipe is connected to a drainage channel through a second water pipe.

2. The coastal salt marshland ecological restoration structure according to claim 1, characterized in that, The isolation layer is a permeable structure formed by paving stones.

3. The coastal salt marshland ecological restoration structure according to claim 1, characterized in that, The surface of the planting hole is covered with a vegetation mat, and grass seed particles are distributed inside the vegetation mat.

4. The coastal salt marshland ecological restoration structure according to claim 1, characterized in that, A water-proof layer is provided between the saline-alkali soil layer and the planting layer.

5. The coastal salt marshland ecological restoration structure according to claim 4, characterized in that, A gravel filter layer is provided between the waterproof layer and the planting layer.

6. The coastal salt marshland ecological restoration structure according to claim 4 or 5, characterized in that, The waterproof layer is made of waterproof geotextile.

7. The coastal salt marshland ecological restoration structure according to claim 1, characterized in that, The drainage ditch is arranged with its center protruding upwards.

8. The coastal salt marshland ecological restoration structure according to claim 1, characterized in that, The drainage ditch is constructed of bricks.