CN217838507U - Ecological wetland system of mountain area nature river gravel bed - Google Patents

Abstract

The utility model discloses an ecological wetland system of mountain area nature river course gravel bed, there is the slope river course of drop including upper and lower reaches, follow the river course flow direction is equipped with a plurality of weirs, forms the ladder riverbed between the adjacent twice weir, and each grade ladder riverbed that is in the low reaches all is less than the ladder riverbed in its upper reaches, be equipped with the plant on the ladder riverbed and plant the layer. The utility model discloses can carry out the retaining to the river course when flood season, rainy season, guarantee to flow through the anhydrous condition that leads to the riverbed to expose of riverbed can not appear in the river reach in view place or the cities and towns, can form ecological wetland, protect ecological environment.

Description

Ecological wetland system of mountain area nature river gravel bed

Technical Field

The utility model relates to a river regulation technical field, concretely relates to ecological wetland system of mountain area nature river course gravel bed.

Background

The mountain river has steep slope and large fall, and the flood duration is short and the water flow is rapid. Most of mountainous rivers are seasonal rivers, the regulation and storage effect on rainfall is very weak, the water storage capacity is poor, and the dry season is long.

In flood season and rainy season, rainwater falls into the river channel and then rapidly flows downwards, the river channel is difficult to store water, precious water resources flow away in a white mode, the river channel is in a dry state for a long time, and the whole river bed is exposed; in non-flood seasons and non-rainy seasons, the water surface is very small due to the fact that water flow cannot be accumulated in the early stage, water resources are extremely short, and a large area of beach surface is in an anhydrous state for a long time. The river course flowing through landscape sites or river reach of towns has poor environment, the river bed is exposed, gravels are spread throughout the river course, only a small amount of drought-enduring plants can grow, most of the plants die due to water shortage, vegetation and microorganisms are not benefited to survive, the stability of an ecological system is damaged, and the surrounding ecological environment is seriously affected.

Disclosure of Invention

The utility model aims to provide a: the ecological wetland system of the mountain river gravel bed can store water in river channels in flood season and rainy season, ensures that the condition that riverbeds are exposed due to the fact that the riverbeds are anhydrous in landscape places or river segments in towns can not occur, can form ecological wetland, and protects ecological environment.

In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides an ecological wetland system of mountain area nature river course gravel bed, includes that there is the slope river course of drop in upper and lower reaches, follows the river course flow direction is equipped with a plurality of weirs, forms the ladder riverbed between the adjacent twice weir, and each grade ladder riverbed that is in the low reaches all is less than the ladder riverbed on its upper reaches, be equipped with the plant species and plant the layer on the ladder riverbed.

The utility model discloses further improve the scheme and be, the plant is planted the layer and is included by lower supreme organic matter layer and the gravel layer that sets gradually, be equipped with the geotechnological cloth that prevents running off between organic matter layer and the gravel layer, be equipped with on the geotechnological cloth that prevents running off and plant the hole, it has aquatic plant to plant downthehole planting.

The utility model discloses a further improvement scheme is, the weir dam is equipped with three, and its embedding degree of depth is 0.8m, and the height between its top and the river bottom is between 0.5-1 m.

The utility model discloses an even further improvement scheme is, the barrage is the concrete barrage, and its top is equipped with check guest gabion along the river course width, the height of check guest gabion is 1m.

The utility model discloses a further improvement scheme is, organic matter layer includes the landfill hole of digging formation on the riverbed, the degree of depth in landfill hole is 20cm at least, is filled with soil in it.

In a further development of the invention, the gravel layer comprises gravel arranged around the aquatic plants, the gravel having a size of between 5 and 10 cm.

The utility model discloses further improvement scheme is, the river bank of river course both sides is equipped with the bank protection gabion, it has the stone to fill in the bank protection gabion.

The utility model discloses a further improvement scheme is, the upstream face of weir dam is equipped with the buffering inclined plane, be equipped with the buffering subassembly that is used for reducing the river impact on the buffering inclined plane.

The utility model discloses a further improvement scheme is, the buffering subassembly is including a plurality of slot of crisscross setting, can dismantle in the slot and be connected with the buffering stake.

The utility model discloses further improve the scheme be, aquatic plant is at least one of reed, calamus, water shallot or iris.

The beneficial effects of the utility model reside in that:

first, the utility model discloses can carry out the retaining to the river course when flood season, rainy season, guarantee to flow through the anhydrous condition that leads to the riverbed to expose of riverbed can not appear in the river reach of view place or cities and towns, under the condition that the non-flood season water resource extremely lacks, can effectively improve the hydrology condition of mountain area river to carry out multistage effective accumulation to the precipitation runoff, reduce river cutout and dry season day number of days, be favorable to river ecosystem's recovery and stability.

Second, the utility model discloses a be equipped with the plant species on the ladder riverbed and plant the layer, can enough beautify the environment, form ecological wetland, do benefit to the existence of vegetation and microorganism, obviously promote mountain area river course ecological landscape effect, and the plant of planting forms green wetland, can adjust runoff, the water content of culture of the culvert, to the ecology restore, the wetland utilizes soil matrix, aquatic plant and microorganism to further purify quality of water.

Third, the utility model discloses a set up weir dam and gabion, both realized accumulating, depositing rivers through the weir dam, can filter and buffer flood through the gabion again, intercept the filtration to surface of water impurity through its water permeability, reduce the pollution to the low reaches.

Fourth, the utility model discloses a gravel that mountain area river course spreads all over stabilizes geotechnological cloth and plant of preventing running off, has reduced engineering construction cost, improves system stability.

Fifth, the utility model discloses a set up the buffering inclined plane at the upstream face of weir dam, can improve the shock resistance of weir dam, be equipped with the buffering post on the weir dam and can cushion the impact of rivers, alleviate the impact force to the weir dam, improve the intensity and the life-span of weir dam.

Description of the drawings:

fig. 1 is the utility model discloses a river course side view section structure schematic diagram.

Fig. 2 is the utility model discloses a river course owner looks section structure sketch map.

In the figure, 1-a river channel, 2-a weir dam, 3-a stepped river bed, 4-a plant planting layer, 5-an organic substance layer, 6-a gravel layer, 7-loss-prevention geotextile, 8-aquatic plants, 9-gabion, 10-a landfill pit, 12-a slope protection gabion, 13-a buffer inclined plane and 15-a buffer pile.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As can be seen from fig. 1 to 2, the ecological wetland system for the mountain river gravel bed comprises an inclined river channel 1 with a fall at the upstream and the downstream, wherein a plurality of barrages 2 are arranged along the flow direction of the river channel 1, a stepped river bed 3 is formed between two adjacent barrages 2, each stepped river bed 3 at the downstream is lower than the stepped river bed 3 at the upstream, and a plant planting layer 4 is arranged on the stepped river bed 3.

Plant and plant layer 4 and include organic matter layer 5 and gravel layer 6 by supreme setting gradually down, be equipped with between organic matter layer 5 and the gravel layer 6 and prevent losing geotechnological cloth 7, be equipped with the planting hole on the geotechnological cloth 7 that prevents losing, it has aquatic plant 8 to plant downthehole kind.

The weir dam 2 is provided with three channels, the embedding depth is 0.8m, and the height between the top end and the river bottom is 0.5-1 m. Preferably, the included angle formed between the top end of each weir dam 2 at the downstream and the top end of the last weir dam 2 is smaller than the inclination angle of the river channel, so that the accumulated water surface is prevented from being too small. The water in the wetland can be supplemented through artificial perfusion.

The dam 2 is a concrete dam, the top end of the dam is provided with gabion gabions 9 along the width of a river channel, the height of the gabion gabions 9 is 1m, and stones are filled in the gabions.

The organic substance layer 5 comprises a landfill pit 10 dug on a river bed, the depth of the landfill pit 10 is at least 20cm, and soil is filled in the landfill pit.

The gravel layer 6 comprises gravel arranged around the aquatic plants 8, the gravel having a size of between 5 and 10 cm.

The bank of 1 both sides in river course is equipped with bank protection gabion 12, fill in the bank protection gabion 12 and have the stone (bank protection gabion is not shown in fig. 1, weir dam and gabion are not shown in fig. 2).

The upstream face of weir dam 2 is equipped with buffering inclined plane 13, be equipped with the buffering subassembly that is used for reducing river water and assaults on buffering inclined plane 13.

The buffering component comprises a plurality of slots which are arranged in a staggered mode, and buffering piles 15 are detachably connected in the slots. The buffer assembly may also be a buffer bump provided on the buffer slope 13.

The aquatic plant 8 is at least one of reed, calamus, allium mongolicum regel or iris tectorum.

The utility model provides a pair of ecological wetland system of mountain area nature river gravel bed's theory of operation as follows: the method is characterized in that a multi-stage weir dam 2 is arranged in a landscape place or a river channel section near a residential area according to the selected river channel length, aquatic plants are planted in a stepped riverbed 3, and during flood seasons and rainy seasons, the flood formed by rainwater flows through the river channel 1, so that flood discharge can be performed on water flow through gabion gabions above the weir dam 2, the impact of the flood is buffered through a buffer inclined plane 13 and a buffer column 15, and the water flow at a certain height can be blocked through the weir dam 2, so that the ecological wetland is accumulated to avoid the flow of white water resources, the condition that the riverbed is exposed due to the fact that the riverbed is not present in the river section of the landscape place or town is ensured, under the condition that the water resources are extremely deficient in non-flood season, the hydrological conditions of a mountain area can be effectively improved, the multi-stage effective accumulation of rainfall is performed on the river runoff, the river cutoff and the day number of dry days are reduced, and the recovery and the river ecosystem and the stability of a river are facilitated.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims (10)

1. The utility model provides an ecological wetland system of mountain area nature river course gravel bed, includes that there is slope river course (1) of drop in upper and lower reaches, its characterized in that: follow river course (1) flow direction is equipped with a plurality of barrage dams (2), forms ladder riverbed (3) between adjacent twice barrage dam (2), is in ladder riverbed (3) that every grade ladder riverbed (3) of low reaches all is less than its upper reaches, be equipped with plant species and plant layer (4) on ladder riverbed (3).

2. The ecological wetland system of the mountain area river gravel bed of claim 1, which is characterized in that: plant species plants layer (4) and includes organic matter layer (5) and gravel layer (6) by supreme setting gradually down, be equipped with between organic matter layer (5) and gravel layer (6) and prevent losing geotechnological cloth (7), be equipped with the planting hole on preventing losing geotechnological cloth (7), it has aquatic plant (8) to plant downthehole kind.

3. The ecological wetland system of the mountain area river gravel bed of claim 2, which is characterized in that: the weir dam (2) is provided with three channels, the embedding depth is 0.8m, and the height between the top end of the weir dam and the river bottom is 0.5-1 m.

4. The ecological wetland system of the mountain area river gravel bed of claim 3, which is characterized in that: the dam (2) is a concrete dam, a gabion (9) is arranged at the top end of the dam along the width of a river channel, and the height of the gabion (9) is 1m.

5. The ecological wetland system of the mountain river gravel bed, which is characterized in that: the organic matter layer (5) comprises a landfill pit (10) dug on a river bed, the depth of the landfill pit (10) is at least 20cm, and soil is filled in the landfill pit.

6. The ecological wetland system of the mountain river gravel bed, which is characterized in that: the gravel layer (6) comprises gravel arranged around the aquatic plants (8), the gravel having a size of between 5-10 cm.

7. The ecological wetland system of the mountain area river gravel bed of claim 1, which is characterized in that: the river bank of river course (1) both sides is equipped with bank protection gabion (12), it has the stone to fill in bank protection gabion (12).

8. The ecological wetland system of the mountain area river gravel bed of claim 1, which is characterized in that: the upstream face of weir dam (2) is equipped with buffering inclined plane (13), be equipped with the buffering subassembly that is used for reducing river impact on buffering inclined plane (13).

9. The ecological wetland system of the mountain area river gravel bed of claim 8, which is characterized in that: the buffer component comprises a plurality of slots which are arranged in a staggered mode, and buffer piles (15) are detachably connected in the slots.

10. The ecological wetland system of the mountain area river gravel bed of claim 2, which is characterized in that: the aquatic plant (8) is at least one of reed, calamus, allium mongolicum regel or iris tectorum.

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