CN115367887A - An ecological river channel suitable for the improvement of urban agglomeration river water quality assurance - Google Patents

Abstract

The invention relates to the technical field of river surge, and discloses an ecological river channel suitable for guaranteeing and improving the water quality of urban river shoves, which comprises a river reach and a floating mat, wherein the surface of the river reach is provided with a plurality of ecological sections, and a storage groove is arranged between every two adjacent ecological sections; a bottom plate is fixed on the river section surface, underwater plants are planted on the bottom plate, water plants are planted on the floating mat, and the floating mat is connected with the bottom plate through an elastic belt; an adsorption plate is arranged in the water body, an adsorption cavity is arranged in the adsorption plate, and an activated carbon layer is filled in the adsorption cavity; through arranging underwater plants and plants on water, the content of dissolved oxygen in the water body can be increased, the active carbon can adsorb pollutants in the water body, the effect of purifying water quality can be played, and the storage groove is arranged, so that the sediment sundries carried in the water body can be intercepted and stored, and the ecological environment protection is realized to improve the quality of urban river groups.

Description

An ecological river channel suitable for the improvement of urban agglomeration river water quality assurance

technical field

The patent of the present invention relates to the technical field of river gushes, specifically, an ecological river course suitable for ensuring and improving the water quality of river gushes in urban agglomerations.

Background technique

In coastal cities, river gushes are drainage channels that discharge rainwater from urban highlands to outer rivers. Affected by factors such as incomplete sewage interception and initial rain pollution, the water quality in river gushes is not good. In cities, the discharge of industrial sewage and domestic sewage is also increasing year by year, and pollutants such as ammonia nitrogen, sulfide, and heavy metals are subsequently entered into rivers, not only polluting water bodies, but also these pollutants are biologically hazardous and will destroy Ecological balance in a body of water.

The water pollution of rivers has greatly affected people's health and greatly reduced the image of the city. Therefore, it is necessary to improve and manage the water quality of rivers correctly and effectively.

In the prior art, engineering measures are generally adopted to treat the water quality of river gushes, such as construction of sewage interception pipelines, centralized sewage treatment equipment, solidification of concrete on the bank, and treatment wall revetment and so on. In these engineering technical measures, it is generally necessary to establish some structures for purifying water bodies. However, when carrying out flood control, in order to meet the needs of flood control, these structures in the river need to be demolished. The demolition process is cumbersome, and it is easy to cause secondary pollution. As a result, the current water quality improvement of the river has problems of high cost and insufficient environmental protection. .

Contents of the invention

The purpose of the present invention is to provide an ecological river course suitable for ensuring and improving the water quality of urban rivers, and aims to solve the problem that the measures for improving the water quality of urban rivers in the prior art are not environmentally friendly.

The present invention is realized in such a way that the ecological river course suitable for urban agglomeration river gushing water quality guarantee and improvement includes a river section arranged between adjacent river gushes and a floating pad floating on the water surface of the river section, and the river section has an arc The river surface is arranged in a shape, and the river surface encloses and forms a circulation space with an open top for water circulation; along the flow direction of the water body, the river surface has a plurality of ecological sections arranged at intervals, and the adjacent Between the ecological segments, there are storage grooves that are sunken downwards and used to store sedimentation debris;

A bottom plate is fixed on the surface of the river section, and underwater plants are planted on the bottom plate, and the roots of the underwater plants pass through the bottom plate and extend into the natural soil below the surface of the river section; Water plants are planted, and a floating nutrient layer is arranged in the floating pad, and the roots of the water plants extend into the floating vegetative layer of the floating pad; the floating pad is connected to the bottom plate through an elastic belt, and the The elastic restoring force drives the elastic reset of the floating pad;

The water body of the river section is provided with an adsorption plate that swings freely with the flow of the water body, the bottom of the adsorption plate is hingedly arranged, and the top of the adsorption plate extends upward and is freely arranged; the adsorption plate is provided with a vertically extending arrangement The adsorption chamber is filled with an activated carbon layer, and the adsorption plate is provided with an inflow hole. Along the flow direction of the water body, the inflow hole runs through the adsorption plate and communicates with the adsorption chamber.

Further, the top of the storage groove has a top opening, and the top opening of the storage groove is provided with two oppositely arranged flexible sheets that are bent and deformed downward under pressure; the outer sides of the flexible sheets are connected to the top opening. On the side, the inner sides of the two flexible sheets are arranged opposite to each other, and there is a flexible interval between the inner sides of the two flexible sheets.

Further, the inner side wall of the storage groove is provided with a plurality of fluff bundles that are flexible and flutter with the flow of water; the inner side wall of the storage groove expands outwards to form a side wall groove, along the direction from outside to inside , the side wall grooves are arranged obliquely downward;

The bottom of the storage groove is sunken downwards to form a bottom groove, and the width of the bottom groove is smaller than the width of the storage groove.

Further, the bottom plate is provided with a bottom planting cavity, the bottom planting cavity is arranged in a flat shape extending along the laying direction of the bottom plate, and the bottom planting cavity is filled with a bottom nutrient layer;

The bottom plate is provided with a bottom planting hole penetrating up and down, the bottom planting hole passes through the bottom nutrient layer, the bottom planting hole forms a top opening on the top of the bottom plate, and the bottom plate is provided with an elastic bundle The beam-shaped sleeve surrounds and forms a beam-shaped cavity; the bottom of the beam-shaped sleeve is connected to the bottom plate, and is arranged around the outer periphery of the top opening of the bottom planting hole, and the top of the beam-shaped sleeve is arranged to extend upwards ;

The underwater plants pass through the beam-shaped cavity and the planting hole at the bottom, and the roots of the underwater plants extend in the bottom nutrient layer and the natural soil below the river section.

Further, the lower part of the bottom nutrient layer is fixed with a bottom mesh layer, and the bottom mesh layer has a plurality of bottom mesh holes, and the roots of the underwater plants pass through a plurality of bottom mesh holes;

The bottom nutrient layer is arranged on the top of the bottom planting cavity, the bottom of the bottom planting cavity is filled with bottom soil, the bottom nutrient layer is covered on the bottom soil, and the bottom mesh layer is located above the bottom soil, The bottom soil body is integrated with the natural soil body through the bottom planting hole.

Further, the bottom of the floating pad is closed, and the floating pad has a floating planting cavity, the floating nutrient layer is arranged in the upper part of the floating planting cavity, and the lower part of the floating planting cavity is filled with floating soil;

The upper part of the floating pad is provided with floating planting holes, and the floating planting holes penetrate downwards into the floating planting cavity; the aquatic plants pass through the floating planting holes, and the roots of the aquatic plants extend to the floating nutrient layer and floating soil body.

Further, the center position of the bottom of the floating planting cavity is sunken downwards, forming a conical cavity with a large top and a small bottom. The bottom of the conical cavity is provided with a matching reset ball, and the matching reset ball and the cone The bottoms of the cavities are connected by elastic columns, and the elastic columns are vertically arranged with the floating pad;

When the floating pad is tilted, the matching reset ball is tilted in the same direction as the floating pad, and after the elastic column is tilted and deformed in the same direction as the floating pad, the elastic column drives the matching reset ball to reset and swing, driving The floating pad resets.

Further, the outer circumference of the elastic column is provided with a plurality of elastic cords, and the plurality of elastic cords are arranged around the circumference of the elastic column; the upper end of the elastic cord is connected to the outer circumference of the elastic column, and the elastic cords The lower end is connected to the inner wall of the tapered cavity, and along the extending direction from top to bottom, the elastic ropes are arranged obliquely outward; when the elastic column and the floating pad are in a vertical state, a plurality of the elastic ropes are in a natural state.

Further, along the flow direction of the water body, the adsorption chamber is provided with multiple layers of activated carbon layers, and there is a filter gap between adjacent activated carbon layers; there is a buffer gap between the activated carbon layer and the inner wall of the adsorption chamber , the filter gap is located between two buffer gaps, and the inflow hole is connected to the buffer gap;

The bottom of the adsorption chamber is sunken downwards to form a collection chamber, a plurality of the activated carbon layers are located above the collection chamber, and the bottoms of the filter gap and the buffer gap are respectively communicated with the top of the collection chamber.

Further, the bottom plate is provided with a fixed seat arranged longitudinally, and the bottom of the adsorption plate is rotatably connected with the fixed seat; a flexible floating sheet extends outward from the outer periphery of the floating pad, and the inner end of the floating sheet Connected to the outer periphery of the floating pad, the outer end of the floating sheet is arranged to extend outward, and the inside of the floating sheet is hollow; the floating sheet has an attached surface that is arranged downward and attached to the water surface, and the attached surface is attached to the water surface. A plurality of groove strips are arranged on the side surface.

Compared with the prior art, the ecological river course provided by the present invention is suitable for improving the water quality of urban agglomerations. By arranging underwater plants and above-water plants, the dissolved oxygen content in the water body can be increased, and the activated carbon can absorb pollutants in the water body. It plays the role of purifying water quality, and by setting up storage grooves, it can intercept and store the sediment debris carried in the water body, realize ecological environmental protection and improve the water quality of urban river groups.

Description of drawings

Fig. 1 is the front view schematic diagram of the ecological river course suitable for urban agglomeration river gushing water quality assurance promotion provided by the present invention;

Fig. 2 is a schematic cutaway view of the storage groove provided by the present invention;

Fig. 3 is a schematic cutaway view of the bottom plate provided by the present invention;

Fig. 4 is the schematic cutaway view of the floating pad provided by the present invention;

Fig. 5 is a schematic cutaway view of the adsorption plate provided by the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The implementation of the present invention will be described in detail below in conjunction with specific embodiments.

In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. Construction and operation, so the words describing the positional relationship in the drawings are only for illustrative purposes, and should not be construed as limitations on this patent. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

Referring to Fig. 1-5, it is a preferred embodiment provided by the present invention.

The ecological river channel suitable for improving the water quality of urban agglomeration streams includes a river section arranged between adjacent rivers and a floating pad 200 floating on the water surface of the river section. The river section has an arc-shaped river section surface. The section surface is enclosed to form a circulation space 100 with an open top and water body circulation; along the flow direction of the water body, the river section surface has multiple ecological sections arranged at intervals, and there are downward depressions between adjacent ecological sections for storing sediment The storage ditch 600 for sundries; with the flow of water, some sedimented sundries deposited at the bottom of the ecological section will fall into the storage ditch 600 and be stored in the storage ditch 600 .

A bottom plate 101 is fixed on the river reach, and underwater plants are planted on the bottom plate 101. The roots of the underwater plants pass through the bottom plate 101 and extend to the natural soil below the river reach; like this, the underwater plants can Stable in water bodies.

Aquatic plants are planted on the floating mat 200, and a floating nutrient layer 203 is arranged in the floating mat 200. The root system of the aquatic plants extends to the floating nutrient layer 203 of the floating mat 200; The elastic restoring force of the elastic belt 201 drives the floating pad 200 to return elastically; the floating pad 200 can float on the water body, and as the water body flows, the elastic belt 201 will be stretched, and the elastic belt 201 can drive the floating pad 200 to reset.

The water body of the river section is provided with an adsorption plate 400 that swings freely with the flow of the water body. The bottom of the adsorption plate 400 is hingedly arranged, and the top of the adsorption plate 400 extends upwards and is freely arranged; the adsorption plate 400 is provided with an adsorption chamber extending up and down. The adsorption cavity is filled with an activated carbon layer 403, and the adsorption plate 400 is provided with an inflow hole 401. Along the flow direction of the water body, the inflow hole 401 runs through the adsorption plate 400 and communicates with the adsorption cavity. Activated carbon can absorb heavy metals and other pollutants in water.

The ecological rivers provided above are suitable for improving the water quality of rivers in urban agglomerations. By arranging underwater plants and aquatic plants, the dissolved oxygen content in the water body can be increased. Activated carbon can absorb pollutants in the water body and can purify the water quality. By setting the storage groove 600, the sediment debris carried in the water body can be intercepted and stored, so as to realize ecological environmental protection and improve the water quality of urban river groups.

In this embodiment, the underwater plants may be submerged plants, which can increase the dissolved oxygen content in the water body through photosynthesis, and can purify the water quality at the same time.

The top of the storage groove 600 has a top opening, and the top opening of the storage groove 600 is provided with two oppositely arranged flexible sheets 603 that are bent and deformed downward under pressure; the outer sides of the flexible sheets 603 are connected to the sides of the top opening, and the two The inner sides of the flexible sheets 603 are arranged oppositely, and there is a flexible interval between the inner sides of the two flexible sheets 603 .

In this way, when the sediments flow through the top opening of the storage groove 600 with the flow of the water body, they will be pressed against the flexible sheet 603, the flexible sheet 603 is bent downward, and the sediments fall into the storage groove 600, and , the flexible sheet 603 can seal the inside of the storage groove 600 to prevent the sediment debris in the storage groove 600 from being stirred out by the water body.

In this embodiment, the inner wall of the storage groove 600 is provided with a plurality of flexible fluff bundles that flutter with the flow of water; the inner wall of the storage groove 600 expands outward to form a side wall groove 601, along the direction from outside to inside. direction, the sidewall grooves 601 are arranged obliquely downward;

The sedimented debris entering the storage groove 600 will quickly enter the side wall groove 601 and the bottom groove 602 under the agitation of the fluff bundle, so as to avoid the sedimented debris in the storage groove 600 being stirred out by the water body, and, through The agitation of the water body in the storage groove 600 can be reduced by providing the fluff bundle.

In this embodiment, the bottom plate 101 is provided with a bottom planting cavity, which extends along the laying direction of the bottom plate 101 and is arranged in a flat shape, and the bottom planting cavity is filled with a bottom nutrient layer 302 .

Bottom plate 101 is provided with the bottom planting hole 301 that runs through up and down, and bottom planting hole 301 passes through bottom nutrient layer 302, and bottom planting hole 301 forms top opening at the top of bottom plate 101, and bottom plate 101 is provided with elastic beam-shaped sleeve , the beam-shaped sleeve surrounds and forms a beam-shaped cavity; the bottom of the beam-shaped sleeve is connected to the bottom plate 101, and is arranged around the periphery of the top opening of the bottom planting hole 301, and the top of the beam-shaped sleeve extends upward;

The underwater plants pass through the beam-shaped cavity and the planting hole 301 at the bottom, and the roots of the underwater plants extend in the bottom nutrient layer 302 and the natural soil below the river reach.

The underwater plants pass through the beam-shaped sleeve, so that under the impact of the flow of the water body, when the underwater plant falls over, the underwater plant can automatically adjust its position by using the elastic reset function of the beam-shaped sleeve, and the underwater plant The root system of the plant extends to the natural water body below the river section, which can make the growth of underwater plants more stable and resist the erosion of the water body.

In the present embodiment, the lower part of the bottom nutrient layer 302 is fixed with a bottom mesh layer 304, and there are a plurality of bottom mesh holes in the bottom mesh layer 304, and the roots of underwater plants pass through a plurality of bottom mesh holes;

The bottom nutrient layer 302 is arranged on the top of the bottom planting cavity, the bottom of the bottom planting cavity is filled with the bottom soil 303, the bottom nutrient layer 302 is covered on the bottom soil 303, the bottom net layer 304 is positioned at the top of the bottom soil 303, and the bottom soil The body 303 passes through the bottom planting hole 301 and is integrated with the natural soil body.

By arranging the bottom net layer 304, it is possible to facilitate the spread of the roots of underwater plants in a wider range, and by arranging the bottom soil 303 to be integrated with the natural soil, the roots of underwater plants are more convenient to spread to the natural environment through the bottom soil 303. In soil, increase the stability of underwater plants.

In this embodiment, the bottom of the floating pad 200 is arranged in a closed manner. The floating pad 200 has a floating planting cavity, the floating nutrient layer 203 is arranged in the upper part of the floating planting cavity, and the lower part of the floating planting cavity is filled with floating soil 204; The upper part of 200 is provided with a floating planting hole 202, and the floating planting hole 202 penetrates downward into the floating planting cavity;

The center of the bottom of the floating planting cavity is sunken downwards, forming a tapered cavity 205 with a large upper part and a smaller lower part. They are connected by elastic columns 207, and the elastic columns 207 and the floating pad 200 are vertically arranged;

When the floating pad 200 is tilted, the matching reset ball 206 is tilted in the same direction as the floating pad 200, and after the elastic column 207 is tilted and deformed in the same direction as the floating pad 200, the elastic column 207 drives the matching reset ball 206 to reset and swing, driving the floating Pad 200 is reset.

Because the water body will fluctuate and change during the flow process, and sometimes even the floating pad 200 will be tilted too much. At this time, the automatic reset of the floating pad 200 can be automatically realized by coordinating the matching structure of the reset ball 206 and the elastic column 207. .

In this embodiment, the outer periphery of the elastic column 207 is provided with a plurality of elastic ropes 208, and the plurality of elastic ropes 208 are arranged around the circumference of the elastic column 207; The lower end of the lower end is connected to the inner side wall of the tapered cavity 205, and along the extension direction from top to bottom, the elastic cords 208 are arranged obliquely outward; state.

By setting the elastic cord 208, the quick reset of the elastic column 207 can be assisted, and the inclined elastic column 207 can be brought back to reset by shrinking the stretched elastic cord 208 to reset.

In this embodiment, along the flow direction of the water body, multiple layers of activated carbon layers 403 are provided in the adsorption chamber, and there are filter gaps 404 between adjacent activated carbon layers 403; The buffer gap 402, the filter gap 404 is located between the two buffer gaps 402, the inflow hole 401 communicates with the buffer gap 402;

The bottom of the adsorption chamber is sunken downwards to form a collection chamber 405. A plurality of activated carbon layers 403 are located above the collection chamber 405. The bottoms of the filter gap 404 and the buffer gap 402 communicate with the top of the collection chamber 405 respectively.

After the water body enters the buffer gap 402 through the inflow hole 401, the speed of the water body can be buffered, and in the process of passing through multiple activated carbon layers 403, the pollutants in the water body are intercepted and adsorbed by the activated carbon, and the water body flows through the buffer gap 402 and During the process of filtering the gap 404, the velocity decreases, and the diffusion range of the water body becomes larger, which can provide more efficient adsorption and filtration of pollutants in the water body.

In this embodiment, the bottom plate 101 is provided with a fixed seat arranged longitudinally, and the bottom of the adsorption plate 400 is rotatably connected to the fixed seat; the outer periphery of the floating pad 200 has a flexible floating sheet extending outward, and the inner end of the floating sheet is connected to the floating pad. On the periphery of the pad 200, the outer end of the floating sheet is arranged to extend outward, and the inside of the floating sheet is hollow; the floating sheet has an attachment surface arranged downward and attached to the water surface, and the attachment surface is provided with a plurality of grooves .

By arranging the floating sheet, and the floating sheet floats on the water surface, like this, the stability of the floating pad 200 can be increased, and the floating sheet is hollow, when the floating pad 200 appears inclined, the floating sheet immersed in the water body will produce The buoyancy on the surface drives the floating pad 200 to reset automatically.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. An ecological river course suitable for improving the water quality of urban agglomeration streams, characterized in that it includes a river section arranged between adjacent rivers and a floating pad floating on the water surface of the river section, and the river section has an arc shape Arranged river surface, the river surface encloses and forms a circulation space with an open top and water supply; along the flow direction of the water body, the river surface has a plurality of ecological sections arranged at intervals, and the adjacent ecological sections Between the segments there is a downwardly recessed storage groove for storing sedimented debris; A bottom plate is fixed on the surface of the river section, and underwater plants are planted on the bottom plate, and the roots of the underwater plants pass through the bottom plate and extend into the natural soil below the surface of the river section; Water plants are planted, and a floating nutrient layer is arranged in the floating pad, and the roots of the water plants extend into the floating vegetative layer of the floating pad; the floating pad is connected to the bottom plate through an elastic belt, and the The elastic restoring force drives the elastic reset of the floating pad; The water body of the river section is provided with an adsorption plate that swings freely with the flow of the water body, the bottom of the adsorption plate is hingedly arranged, and the top of the adsorption plate extends upward and is freely arranged; the adsorption plate is provided with a vertically extending arrangement The adsorption chamber is filled with an activated carbon layer, and the adsorption plate is provided with an inflow hole. Along the flow direction of the water body, the inflow hole runs through the adsorption plate and communicates with the adsorption chamber. 2. The ecological river course suitable for urban agglomeration river gushing water quality guarantee promotion as claimed in claim 1, is characterized in that, the top of described storage groove has top opening, and the top opening of described storage groove is provided with two oppositely arranged A flexible sheet that is bent and deformed downward under pressure; the outer side of the flexible sheet is connected to the side of the top opening, the inner sides of the two flexible sheets are oppositely arranged, and there is a flexible space between the inner sides of the two flexible sheets . 3. The ecological river course suitable for urban agglomeration river gushing water quality guarantee promotion as claimed in claim 2, it is characterized in that, the inner side wall of described storage groove is provided with a plurality of flexible fluff bundles that flutter with the flow of water body; The inner side wall of the groove expands outward to form a side wall groove, and the side wall groove is arranged obliquely downward along the direction from outside to inside; The bottom of the storage groove is sunken downwards to form a bottom groove, and the width of the bottom groove is smaller than the width of the storage groove. 4. The ecological river channel suitable for urban agglomeration river gushing water quality assurance and promotion as described in any one of claims 1 to 3, characterized in that, the bottom plate is provided with a bottom planting cavity, and the bottom planting cavity is along the bottom plate The flat laying direction is extended and arranged in a flat shape, and the bottom planting cavity is filled with a bottom nutrient layer; The bottom plate is provided with a bottom planting hole penetrating up and down, the bottom planting hole passes through the bottom nutrient layer, the bottom planting hole forms a top opening on the top of the bottom plate, and the bottom plate is provided with an elastic bundle The beam-shaped sleeve surrounds and forms a beam-shaped cavity; the bottom of the beam-shaped sleeve is connected to the bottom plate, and is arranged around the outer periphery of the top opening of the bottom planting hole, and the top of the beam-shaped sleeve is arranged to extend upwards ; The underwater plants pass through the beam-shaped cavity and the planting hole at the bottom, and the roots of the underwater plants extend in the bottom nutrient layer and the natural soil below the river section. 5. the ecological river course suitable for urban agglomeration river gushing water quality guarantee promotion as claimed in claim 4, is characterized in that, the lower part of described bottom nutrient layer is laid and is fixedly provided with bottom mesh layer, and in described bottom mesh layer has a plurality of bottom meshes, through which the roots of the underwater plants pass through a plurality of bottom meshes; The bottom nutrient layer is arranged on the top of the bottom planting cavity, the bottom of the bottom planting cavity is filled with bottom soil, the bottom nutrient layer is covered on the bottom soil, and the bottom mesh layer is located above the bottom soil, The bottom soil body is integrated with the natural soil body through the bottom planting hole. 6. The ecological river course suitable for urban agglomeration river gushing water quality guarantee and promotion as claimed in claim 5, characterized in that, the bottom of the floating pad is arranged in a closed manner, the floating pad has a floating planting cavity, and the floating nutrient layer is set In the upper part of the floating planting cavity, the lower part of the floating planting cavity is filled with floating soil; The upper part of the floating pad is provided with floating planting holes, and the floating planting holes penetrate downwards into the floating planting cavity; the aquatic plants pass through the floating planting holes, and the roots of the aquatic plants extend to the floating nutrient layer and floating soil body. 7. The ecological river course suitable for urban agglomeration river gushing water quality guarantee and promotion as claimed in claim 6, characterized in that, the center position of the bottom of the floating planting cavity is sunken downward, forming a conical cavity with a large top and a small bottom, The bottom of the tapered cavity is provided with a matching reset ball, and the matching reset ball is connected to the bottom of the tapered cavity through an elastic column, and the elastic column is vertically arranged with the floating pad; When the floating pad is tilted, the matching reset ball is tilted in the same direction as the floating pad, and after the elastic column is tilted and deformed in the same direction as the floating pad, the elastic column drives the matching reset ball to reset and swing, driving The floating pad resets. 8. The ecological river course suitable for urban agglomeration river gushing water quality guarantee promotion as claimed in claim 7, is characterized in that, the outer periphery of described elastic column is provided with a plurality of elastic ropes, and a plurality of described elastic ropes are along the periphery of elastic column Arranged around; the upper end of the elastic cord is connected to the outer circumference of the elastic column, the lower end of the elastic cord is connected to the inner wall of the tapered cavity, along the extending direction from top to bottom, the elastic cord is arranged obliquely outward ; When the elastic column and the floating pad are in a vertical state, the plurality of elastic ropes are in a natural state. 9. The ecological river course suitable for urban agglomeration river gushing water quality assurance promotion as described in any one of claims 1 to 3, characterized in that, along the flow direction of the water body, multiple layers of the activated carbon layer are provided in the adsorption chamber , there is a filter gap between adjacent activated carbon layers; there is a buffer gap between the activated carbon layer and the inner wall of the adsorption chamber, the filter gap is located between two buffer gaps, and the inflow hole communicates with the buffer gap; The bottom of the adsorption chamber is sunken downwards to form a collection chamber, a plurality of the activated carbon layers are located above the collection chamber, and the bottoms of the filter gap and the buffer gap are respectively communicated with the top of the collection chamber. 10. The ecological river course suitable for urban agglomeration river gushing water quality guarantee promotion as claimed in claim 9, is characterized in that, described bottom plate is provided with the fixed seat of vertical arrangement, and the bottom of described adsorption plate is rotatably connected with fixed seat; A flexible floating sheet extends outward from the outer periphery of the floating pad, the inner end of the floating sheet is connected to the outer periphery of the floating pad, the outer end of the floating sheet extends outward, and the inside of the floating sheet is hollow; The floating sheet has an attached surface arranged downwards and attached to the water surface, and a plurality of groove bars are arranged on the attached surface.

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