Ecological buffer zone for river water treatment

Abstract

The utility model discloses an ecological buffer zone for river channel water body treatment, which comprises a main river channel, and the main river channel comprises a bottom river channel, a river channel slope and a river levee. Through the structure, the river channel is subjected to layered treatment, the bottom is filled with a large number of stones and sand grains, erosion of bottom river water to the river bottom and the river levee slope can be reduced, the underwater part of the river levee is provided with the underwater fixing ring and the underwater fixing net, aquatic plants are planted, the slope under the river can be stabilized, and water and soil loss is reduced; organic pollutants and dissolved oxygen in water can be effectively removed, metabolism and growth of microorganisms in sewage are promoted, water quality is purified together with aquatic plants and vegetation, the overwater part of the river levee is provided with an overwater fixing ring, an underwater fixing net and planted turf, the slope on the river can be stabilized, water and soil loss is reduced, and the ecological diversity of the river channel is maintained. Large vegetation is planted above the river levee, the ecological chain of the river channel is strengthened while water and soil are stabilized, and large-scale and standardized river channel treatment is formed.

Description

Technical Field

[0001] The utility model relates to the technical field of ecological buffer zones, in particular to an ecological buffer zone used for river water body management. Background Art

[0002] Ecological buffer zones refer to vegetation buffer zones with a certain width between water and land, which are composed of aquatic plants, trees, shrubs, grasses, etc., and play a role in preventing non-point source pollution, improving biodiversity, and reducing the negative impact of human activities on rivers. However, there are few cases of ecological buffer zones being used to treat river water bodies. Due to the lack of relevant engineering experience, it is difficult to standardize the management of river water bodies. Utility Model Content

[0003] The utility model aims to provide an ecological buffer zone for river water management, to carry out layered management of the river, to fill a large amount of stones and sand at the bottom to reduce the erosion of the river bottom and the river bank slope by the river water at the bottom, to arrange underwater fixing rings, underwater fixing nets and plant aquatic plants at the underwater part of the river bank to stabilize the river bank slope and reduce soil erosion, and to arrange biological film inside the fixing ring to effectively remove organic pollutants and dissolved oxygen in the water, to promote the metabolism and growth of microorganisms in sewage, and to purify water quality together with aquatic plants and vegetation, to arrange above-water fixing rings, underwater fixing nets and plant turf at the above-water part of the river bank to stabilize the river bank slope, reduce soil erosion and maintain the ecological diversity of the river, to plant large-scale vegetation above the river bank, to stabilize the water and soil while strengthening the river ecological chain, and to form large-scale and standardized river management.

[0004] In order to achieve the above-mentioned purpose, an ecological buffer zone for river water body management is provided, comprising: a main river channel, wherein the main river channel comprises a bottom river channel, a river channel slope and a river bank, wherein the river channel slope is provided with an above-water part and an underwater part, wherein a stabilizing layer, an underwater gentle slope layer and an above-water gentle slope layer are provided on the river channel slope, wherein large vegetation is planted on the river bank, wherein the stabilizing layer is located between the river channel slope and the bottom river channel and is evenly paved with large-grained stones, wherein a large number of small-grained pebbles are filled between the large-grained stones in the stabilizing layer, wherein the underwater gentle slope layer comprises an underwater fixing ring, an underwater fixing net, a large mesh and a biological film, wherein the underwater fixing ring is in the shape of a regular hexagon , and is plugged into the river channel slope, the inner top surface of the underwater fixed ring is fixedly connected with an underwater fixed net, the underwater fixed net is provided with large mesh holes, the number of the large mesh holes is set in multiples and are evenly distributed on the underwater fixed net, a biological film is hung on the bottom of the underwater fixed net, the above-water gentle slope layer comprises an above-water fixed ring, an above-water fixed net and small mesh holes, the above-water fixed ring is a regular hexagon, and is plugged into the river channel slope, the inner bottom surface of the above-water fixed ring is fixedly connected with the above-water fixed net, the above-water fixed net is provided with small mesh holes, the number of the small mesh holes is set in multiples and are evenly distributed on the above-water fixed net.

[0005] According to the ecological buffer zone for river water management, the underwater fixed rings are provided in plurality and are evenly spread on the underwater part of the river slope, and aquatic vegetation is planted inside the underwater fixed rings.

[0006] According to the ecological buffer zone for river water management, the above-water fixed rings are provided in plurality and are evenly spread on the above-water part of the river slope, and turf is planted inside the above-water fixed rings.

[0007] According to the ecological buffer zone for river water management, the underwater fixed nets and biological biofilms are provided in multiple numbers and are all located inside the underwater fixed rings. The biological biofilms are located above the river slope.

[0008] According to the ecological buffer zone for river water management, the number of the above-water fixed nets is multiple and all are located inside the above-water fixed ring, and the above-water fixed nets are located above the river slope.

[0009] According to the ecological buffer zone for river water management, the underwater fixed net and the above-water fixed net are both made of nylon.

[0010] The above scheme has the beneficial effects: by setting the bottom river channel, river channel slope, river bank, stabilization layer, large vegetation, underwater fixed ring, underwater fixed net, large mesh, biological film, water fixed ring, water fixed net and small mesh, the river channel is managed in layers, and filling the bottom with a large amount of stones and sand can reduce the erosion of the river bottom and the river bank slope by the bottom river water, setting underwater fixed rings, underwater fixed nets and planting aquatic plants in the underwater part of the river bank can stabilize the slope below the river and reduce soil erosion, and setting biological film inside the fixed ring can effectively remove organic pollutants and dissolved oxygen in the water, promote the metabolism and growth of microorganisms in sewage, and purify water quality together with aquatic plants and vegetation, setting water fixed rings, underwater fixed nets and planting turf in the water part of the river bank can stabilize the slope above the river, reduce soil erosion, maintain the ecological diversity of the river, plant large vegetation above the river bank, stabilize the water and soil while strengthening the river ecological chain, and form large-scale and standardized river management.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0013] Figure 1 This is a front view of an ecological buffer zone for river water management according to the utility model;

[0014] Figure 2 This is a structural diagram of an underwater gentle slope layer of an ecological buffer zone for river water management in the utility model;

[0015] Figure 3 This is a cross-sectional view of an underwater fixed ring for an ecological buffer zone used for river water management in the utility model;

[0016] Figure 4 The utility model is a structural diagram of an above-water gentle slope layer of an ecological buffer zone for river water body management.

[0017] Legend:

[0018] 1. Bottom river channel; 2. River channel slope; 3. River bank; 4. Stable layer; 5. Underwater gentle slope layer; 6. Overwater gentle slope layer; 7. Large vegetation;

[0019] 501, underwater fixed ring; 502, underwater fixed net; 503, large mesh; 504, biological film;

[0020] 601. Water fixed ring; 602. Water fixed net; 603. Small mesh. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is an ecological buffer zone for river water body management, which includes: a main river channel, the main river channel includes a bottom river channel 1, a river channel slope 2 and a river bank 3, the river channel slope 2 is provided with an above-water part and an underwater part, the river channel slope 2 is provided with a stabilizing layer 4, an underwater gentle slope layer 5 and an above-water gentle slope layer 6, large vegetation 7 is planted on the river bank 3, the stabilizing layer 4 is located between the river channel slope 2 and the bottom river channel 1, and is evenly paved with large-grained stones, and a large number of small-grained pebbles are filled between the large-grained stones in the stabilizing layer 4, which reduces the erosion of the river bottom water on the connection between the river channel slope 2 and the river channel slope 2, and provides a partial ecological chain.

[0023] The underwater gentle slope layer 5 includes an underwater fixed ring 501, an underwater fixed net 502, large meshes 503 and biological film 504. The underwater fixed ring 501 is a regular hexagon and is plugged into the river slope 2. The internal top surface of the underwater fixed ring 501 is fixedly connected with the underwater fixed net 502, which can reduce the erosion of water and soil on the surface of the river slope 2 by flowing water. The underwater fixed net 502 is provided with large meshes 503. There are multiple large meshes 503, which are evenly distributed on the underwater fixed net 502, which is convenient for the water grass inside the underwater fixed ring 501 to grow upward, stabilize the water and soil, and stabilize the water. A biological film 504 is hung on the bottom of the lower fixed net 502, and a plurality of underwater fixed rings 501 are provided and are evenly spread on the underwater part of the river channel slope 2. Aquatic vegetation is planted inside the underwater fixed rings 501. A plurality of underwater fixed nets 502 and biological films 504 are provided and are all located inside the underwater fixed rings 501. The biological film 504 is located above the river channel slope 2. The biological film 504 can effectively remove organic pollutants and dissolved oxygen in the water, promote the metabolism and growth of microorganisms in sewage, and promote the growth of aquatic vegetation.

[0024] The above-water gentle slope layer 6 comprises an above-water fixed ring 601, an above-water fixed net 602 and small meshes 603. The above-water fixed ring 601 is in a regular hexagon and is plugged into the river slope 2. The inner bottom surface of the above-water fixed ring 601 is fixedly connected with the above-water fixed net 602, which can reduce the erosion of water and soil on the surface of the river slope 2 by rainwater and the like. The above-water fixed net 602 is provided with small meshes 603. There are a plurality of small meshes 603, which are evenly distributed on the above-water fixed net 602, so as to facilitate the upward growth of turf vegetation inside the above-water fixed ring 601 and stabilize the water and soil. There are a plurality of above-water fixed rings 601, which are evenly spread on the above-water part of the river slope 2. Turf is planted inside the above-water fixed ring 601. There are a plurality of above-water fixed nets 602, which are all located inside the above-water fixed ring 601. The above-water fixed net 602 is located above the river slope 2.

[0025] The underwater fixed net 502 and the above-water fixed net 602 are both made of nylon, which is strong and durable, not restricted by the environment, and low in cost.

[0026] Working principle: The river channel is managed in layers, and a large amount of stone and sand is filled at the bottom to reduce the erosion of the bottom river channel 1 and the river channel slope 2 by the bottom river water. An underwater fixed ring 501, an underwater fixed net 502 and aquatic plants are set in the underwater part of the river channel slope 2 to stabilize the river slope surface and reduce soil erosion. A biological film 504 is set inside the underwater fixed ring 501 to effectively remove organic pollutants and dissolved oxygen in the water, promote the metabolism and growth of microorganisms in sewage, and promote the growth of aquatic plants. Together with the aquatic plants, the water quality is purified and the underwater ecology is improved. An above-water fixed ring 601, an above-water fixed net 602 and turf are set in the above-water part of the river channel slope 2 to stabilize the river slope surface, reduce soil erosion and maintain the ecological diversity above the river channel. Large vegetation 7 is planted above the river bank 3, which can not only stabilize the water and soil but also strengthen the river ecological chain.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An ecological buffer zone for river water management, characterized in that: include: A main river channel, the main river channel comprising a bottom river channel (1), a river channel slope (2) and a river bank (3), the river channel slope (2) being provided with an above-water part and an underwater part, the river channel slope (2) being provided with a stabilizing layer (4), an underwater gentle slope layer (5) and an above-water gentle slope layer (6), the river bank (3) being planted with large vegetation (7), the stabilizing layer (4) being located between the river channel slope (2) and the bottom river channel (1) and being evenly paved with large-grained stones, a large number of small-grained pebbles being filled between the large-grained stones in the stabilizing layer (4), the underwater gentle slope layer (5) comprising an underwater fixing ring (501), an underwater fixing net (502), a large mesh (503) and a biological film (504), the underwater fixing ring (501) being in a regular hexagonal shape and being plugged into the river channel slope (2), the inner top surface of the underwater fixing ring (501) An underwater fixed net (502) is fixedly connected, and the underwater fixed net (502) is provided with large mesh holes (503). The number of the large mesh holes (503) is multiple and evenly distributed on the underwater fixed net (502). A biological film (504) is hung on the bottom of the underwater fixed net (502). The above-water gentle slope layer (6) comprises an above-water fixed ring (601), an above-water fixed net (602) and small mesh holes (603). The above-water fixed ring (601) is in a regular hexagon and is plugged into the river slope (2). The inner bottom surface of the above-water fixed ring (601) is fixedly connected with the above-water fixed net (602). The above-water fixed net (602) is provided with small mesh holes (603). The number of the small mesh holes (603) is multiple and evenly distributed on the above-water fixed net (602).

2. The ecological buffer zone for river water management according to claim 1 is characterized in that: The underwater fixing rings (501) are provided in a plurality and are evenly spread on the underwater part of the river channel slope (2), and aquatic vegetation is planted inside the underwater fixing rings (501).

3. The ecological buffer zone for river water management according to claim 1, characterized in that: The above-water fixing rings (601) are provided in a plurality and are evenly spread on the above-water part of the river channel slope (2), and grass is planted inside the above-water fixing rings (601).

4. The ecological buffer zone for river water management according to claim 1, characterized in that: The underwater fixed net (502) and the biological film (504) are both provided in plural numbers and are all located inside the underwater fixed ring (501), and the biological film (504) is located above the river slope (2).

5. The ecological buffer zone for river water management according to claim 1, characterized in that: The number of the above-water fixed nets (602) is plural and all are located inside the above-water fixed ring (601). The above-water fixed nets (602) are located above the river channel slope (2).

6. The ecological buffer zone for river water management according to claim 1, characterized in that: The underwater fixed net (502) and the above-water fixed net (602) are both made of nylon.

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