CN115367887B - Ecological river course suitable for guaranteeing and improving water quality of urban river gushing - Google Patents

Ecological river course suitable for guaranteeing and improving water quality of urban river gushing Download PDF

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Publication number
CN115367887B
CN115367887B CN202211307022.3A CN202211307022A CN115367887B CN 115367887 B CN115367887 B CN 115367887B CN 202211307022 A CN202211307022 A CN 202211307022A CN 115367887 B CN115367887 B CN 115367887B
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floating
river
cavity
water
elastic
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CN115367887A (en
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刘晋
翁忠华
崔玉炎
王建国
黄伟杰
陈高峰
王斌
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Pearl River Hydraulic Research Institute of PRWRC
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Pearl River Hydraulic Research Institute of PRWRC
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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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • 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

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  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

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 surge, which comprises a river section and a floating cushion, wherein the surface of the river section is provided with a plurality of sections 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, overwater plants are planted on the floating cushion, and the floating cushion 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, pollutants in the water body can be adsorbed by the activated carbon, the effect of purifying water quality can be achieved, the accommodating grooves are formed in the accommodating grooves, the effect of intercepting and accommodating sediment impurities carried in the water body can be achieved, and the ecological environment protection is achieved to improve the quality of urban river groups.

Description

Ecological river course suitable for guaranteeing and improving water quality of urban river gushing
Technical Field
The invention relates to the technical field of river surge, in particular to an ecological river channel suitable for guaranteeing and improving the water quality of urban river surge.
Background
In coastal cities, river gushes are drainage channels for discharging urban high-land rainwater to external rivers, and the water quality in the river gushes is poor due to the influence of factors such as incomplete sewage interception, initial rain pollution and the like. In cities, the discharge amount of industrial sewage, domestic sewage and the like is increased year by year, pollutants such as ammonia nitrogen, sulfide, heavy metal and the like enter rivers along with the discharge amount, and not only water bodies are polluted, but also the pollutants have biological hazard and can destroy the ecological balance in the water bodies.
The pollution of the water body of the river greatly influences the health of people and greatly reduces the urban image, so that the water quality of the river must be correctly and effectively improved and treated.
In the prior art, engineering measures are generally adopted to treat the water quality of the river, such as building a sewage interception pipeline, centralized sewage treatment equipment, curing concrete on the bank side, treating wall and bank protection and the like. In general, some constructions for purifying water are required to be established in the engineering technical measures. However, when flood control is performed, in order to meet the requirement of flood control, the structures in the river are required to be dismantled, the dismantling process is complicated, secondary pollution is easily caused, and the problems of high cost and insufficient environmental protection in the existing river water quality improvement are caused.
Disclosure of Invention
The invention aims to provide an ecological river channel suitable for guaranteeing and improving the quality of urban river gushing water, and aims to solve the problem that measures for improving the quality of the urban river gushing water are not environment-friendly in the prior art.
The ecological river channel suitable for guaranteeing and improving the water quality of the urban group rivers comprises a river section arranged between adjacent rivers and a floating pad floating on the water surface of the river section, wherein the river section is provided with an arc-shaped river section surface, and the river section surface is enclosed to form a circulation space with an open top and for water to flow; along the flowing direction of the water body, the river reach surface is provided with a plurality of sections of ecological sections which are arranged at intervals, and a storage groove which is sunken downwards and is used for storing deposited sundries is arranged between every two adjacent ecological sections;
a bottom plate is fixed on the river reach surface, underwater plants are planted on the bottom plate, and root systems of the underwater plants penetrate through the bottom plate and extend into a natural soil body below the river reach surface; overwater plants are planted on the floating pads, floating nutrition layers are arranged in the floating pads, and root systems of the overwater plants extend into the floating nutrition layers of the floating pads; the floating pad is connected with the bottom plate through an elastic belt, and the elastic restoring force of the elastic belt drives the floating pad to elastically reset;
an adsorption plate which freely swings along with the flowing of the water body is arranged in the water body of the river reach, the bottom of the adsorption plate is hinged, and the top of the adsorption plate extends upwards and is freely arranged; the adsorption plate is provided with an adsorption cavity extending from top to bottom, an activated carbon layer is filled in the adsorption cavity, an inflow hole is formed in the adsorption plate, and the inflow hole penetrates through the adsorption plate and is communicated with the adsorption cavity along the flowing direction of a water body.
Further, the top of the containing groove is provided with a top opening, and the top opening of the containing groove is provided with two oppositely arranged flexible sheets which are bent and deformed downwards under pressure; the outside of flexible piece is connected at open-top's side, two the inboard relative arrangement of flexible piece, and two have flexible interval between the inboard of flexible piece.
Furthermore, a plurality of flexible fluff bundles which float along with the flow of water are arranged on the inner side wall of the containing groove; the inner side wall of the accommodating groove is expanded outwards to form a side wall groove, and the side wall groove is obliquely arranged downwards along the direction from outside to inside;
the bottom of the containing groove is downwards sunken to form a bottom groove, and the width of the bottom groove is smaller than that of the containing groove.
Furthermore, a bottom planting cavity is arranged in the bottom plate, the bottom planting cavity extends along the tiling direction of the bottom plate and is arranged in a flat shape, and a bottom nutrition layer is filled in the bottom planting cavity;
the bottom plate is internally provided with a bottom planting hole which is communicated up and down, the bottom planting hole penetrates through the bottom nutrition layer, the bottom planting hole forms a top opening at the top of the bottom plate, the bottom plate is provided with an elastic bundling sleeve, and the bundling sleeve is surrounded to form a bundling cavity; the bottom of the beam-shaped sleeve is connected to the bottom plate and is arranged around the periphery of the top opening of the bottom planting hole, and the top of the beam-shaped sleeve extends upwards;
the underwater plants penetrate through the beam-shaped cavity and the bottom planting holes, and root systems of the underwater plants extend into a natural soil body below the bottom nutrition layer and the river reach.
Further, a bottom net layer is fixedly paved at the lower part of the bottom nutrition layer, a plurality of bottom meshes are arranged in the bottom net layer, and the root system of the underwater plant penetrates through the plurality of bottom meshes;
the bottom nutrition layer is arranged on the upper portion of the bottom planting cavity, a bottom soil body is filled in the lower portion of the bottom planting cavity, the bottom nutrition layer covers the bottom soil body, the bottom net layer is located above the bottom soil body, and the bottom soil body penetrates through the bottom planting hole to be combined with a natural soil body into a whole.
Furthermore, the bottom of the floating cushion is arranged in a closed manner, a floating planting cavity is formed in the floating cushion, the floating nutrition layer is arranged in the upper part of the floating planting cavity, and a floating soil body is filled in the lower part of the floating planting cavity;
the upper part of the floating cushion is provided with a floating planting hole which downwards penetrates into the floating planting cavity; the aquatic plant passes through the floating planting hole, and the root system of the aquatic plant extends to the floating nutrition layer and the floating soil body.
Furthermore, the center position of the bottom of the floating planting cavity is sunken downwards to form a conical cavity with a large upper part and a small lower part, a counterweight reset ball is arranged at the bottom of the conical cavity, the counterweight reset ball is connected with the bottom of the conical cavity through an elastic column, and the elastic column is vertically arranged with the floating cushion;
when the floating pad inclines, the counterweight reset ball inclines towards the same direction as the floating pad, the elastic column and the floating pad are driven to incline and deform in the same direction, and the elastic column drives the counterweight reset ball to reset and swing to drive the floating pad to reset.
Furthermore, a plurality of elastic ropes are arranged on the periphery of the elastic column and are circumferentially arranged along the circumferential direction of the elastic column; the upper end of the elastic rope is connected to the periphery of the elastic column, the lower end of the elastic rope is connected to the inner side wall of the conical cavity, and the elastic rope is arranged in an outward inclined mode along the extending direction from top to bottom; when the elastic column and the floating cushion are in a vertical state, the elastic ropes are in a natural state.
Furthermore, along the flowing direction of the water body, a plurality of layers of activated carbon layers are arranged in the adsorption cavity, and a filtering gap is formed between every two adjacent activated carbon layers; a buffer gap is formed between the activated carbon layer and the inner side wall of the adsorption cavity, the filtering gap is positioned between the two buffer gaps, and the inflow hole is communicated with the buffer gaps;
the bottom in absorption chamber is sunken down, forms and collects the chamber, and is a plurality of the active carbon layer is located the top in collection chamber, the bottom in filtration clearance and buffering clearance communicates with the top in collection chamber respectively.
Furthermore, a fixed seat which is longitudinally arranged is arranged on the bottom plate, and the bottom of the adsorption plate is rotationally connected with the fixed seat; the periphery of the floating pad extends outwards to form a flexible floating sheet, the inner end of the floating sheet is connected to the periphery of the floating pad, the outer end of the floating sheet extends outwards, and the inner part of the floating sheet is hollow; the floating sheet is provided with an attaching surface which is arranged downwards and attached to the water surface, and a plurality of groove strips are arranged on the attaching surface.
Compared with the prior art, the ecological river suitable for improving the urban river water quality guarantee can increase the content of dissolved oxygen in the water body by arranging the underwater plants and the aquatic plants, the activated carbon can adsorb pollutants in the water body and can play a role in purifying the water quality, and the settling impurities carried in the water body can be intercepted and stored by arranging the storage grooves, so that the ecological environmental protection is realized and the urban river water quality is improved.
Drawings
FIG. 1 is a schematic front view of an ecological river suitable for improvement of urban river water quality guarantee provided by the invention;
FIG. 2 is a cross-sectional view of the storage trough provided by the present invention;
FIG. 3 is a cut-away schematic view of a bottom plate provided by the present invention;
FIG. 4 is a cut-away schematic view of the floating pad provided by the present invention;
fig. 5 is a schematic sectional view of an adsorption plate provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-5, preferred embodiments of the present invention are shown.
The ecological river channel suitable for guaranteeing and improving the water quality of urban river gushes comprises a river section arranged between adjacent river gushes and a floating cushion 200 floating on the water surface of the river section, wherein the river section is provided with an arc-shaped river section surface which is enclosed to form a flow space 100 with an open top and through which water flows; along the flowing direction of the water body, the river surface is provided with a plurality of sections of ecological sections which are arranged at intervals, and a storage groove 600 which is sunken downwards and is used for storing the sediment sundries is arranged between the adjacent ecological sections; along with the flowing of the water body, some settled impurities settled at the bottom of the ecological segment fall into the receiving groove 600 and are received in the receiving groove 600.
A bottom plate 101 is fixed on the river section surface, underwater plants are planted on the bottom plate 101, and root systems of the underwater plants penetrate through the bottom plate 101 and extend into a natural soil body below the river section surface; in this way, the underwater plants can be stably grown in the water body.
Overwater plants are planted on the floating pad 200, a floating nutrition layer 203 is arranged in the floating pad 200, and root systems of the overwater plants extend into the floating nutrition layer 203 of the floating pad 200; the floating pad 200 is connected with the bottom plate 101 through an elastic band 201, and the floating pad 200 is driven to elastically reset through the elastic restoring force of the elastic band 201; the floating mat 200 can float on the water body, the elastic band 201 can be stretched along with the flow of the water body, and the elastic band 201 can drive the floating mat 200 to reset.
An adsorption plate 400 which freely swings along with the flowing of the water body is arranged in the water body of the river reach, the bottom of the adsorption plate 400 is hinged, and the top of the adsorption plate 400 extends upwards and is freely arranged; the adsorption plate 400 is provided with an adsorption cavity extending up and down, the adsorption cavity is filled with an activated carbon layer 403, the adsorption plate 400 is provided with an inflow hole 401, and the inflow hole 401 penetrates through the adsorption plate 400 and is communicated with the adsorption cavity along the flowing direction of the water body. The activated carbon can adsorb heavy metals and other various pollutants in water.
Above-mentioned suitable urban river gushes ecological river course that water quality guarantee promoted, through arranging underwater plant and plant on water, can increase dissolved oxygen content in the water, activated carbon can adsorb the pollutant in the water, can play the effect of purifying water quality to accomodate slot 600 through setting up, can play the effect that the interception was accomodate with the sediment debris that carry in the water, realize that ecological environmental protection improves urban river gushes crowd quality of water.
In this embodiment, the underwater plant may be a submerged plant, which increases the dissolved oxygen content in the water body through photosynthesis, and may purify water.
The top of the receiving groove 600 is provided with a top opening, and the top opening of the receiving groove 600 is provided with two oppositely arranged flexible sheets 603 which are bent and deformed downwards under pressure; the outer sides of the flexible sheets 603 are connected to the sides of the top opening, the inner sides of the two flexible sheets 603 are arranged opposite to each other, and a flexible space is provided between the inner sides of the two flexible sheets 603.
Therefore, when the deposited impurities flow along with the water body and pass through the top opening of the accommodating groove 600, the deposited impurities can be pressed on the flexible sheet 603, the flexible sheet 603 bends downwards, the deposited impurities fall into the accommodating groove 600, and the flexible sheet 603 can seal the inside of the accommodating groove 600, so that the deposited impurities in the accommodating groove 600 are prevented from being stirred out by the water body.
In this embodiment, the inner side wall of the receiving groove 600 is provided with a plurality of flexible fluff bundles which float along with the flow of water; the inner side wall of the receiving groove 600 is expanded outwards to form a side wall groove 601, and the side wall groove 601 is arranged in a downward inclined mode along the direction from outside to inside; the bottom of the receiving groove 600 is recessed downward, and a bottom groove 602 is formed, and the width of the bottom groove 602 is smaller than the width of the receiving groove 600.
The sediment sundries entering the storage groove 600 can rapidly enter the side wall groove 601 and the bottom groove 602 under the stirring of the fluff bundles, the sediment sundries in the storage groove 600 are prevented from being stirred out by the water body, and the stirring of the water body in the storage groove 600 can be reduced by arranging the fluff bundles.
In this embodiment, be equipped with the bottom in the bottom board 101 and plant the chamber, the chamber is planted to the bottom extends along the tiling direction of bottom board 101 and arranges and be flat, and it has bottom nutrition layer 302 to plant to fill in the chamber in the bottom.
The bottom plate 101 is provided with a bottom planting hole 301 which is communicated up and down, the bottom planting hole 301 penetrates through the bottom nutrition layer 302, the bottom planting hole 301 forms a top opening at the top of the bottom plate 101, the bottom plate 101 is provided with an elastic beam-shaped sleeve, and the beam-shaped sleeve is surrounded to form 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 upwards;
the submerged plants pass through the beam-shaped chamber and the bottom planting holes 301, and the roots of the submerged plants extend into the bottom nutritive layer 302 and the natural soil mass below the river surface.
The underwater plant passes through the beam-shaped sleeve, so, under the flowing impact of the water body, when the underwater plant falls, the position of the underwater plant can be automatically adjusted by utilizing the elastic resetting effect of the beam-shaped sleeve, and the root system of the underwater plant extends to the natural water body below the river surface, so that the underwater plant can grow more stably and can resist the scouring of the water body.
In this embodiment, a bottom mesh layer 304 is fixedly paved in the lower part of the bottom nutrition layer 302, the bottom mesh layer 304 has a plurality of bottom meshes, and the root system of the underwater plant passes through the plurality of bottom meshes;
the bottom nutrition layer 302 is arranged on the upper portion of the bottom planting cavity, the bottom soil body 303 is filled in the lower portion of the bottom planting cavity, the bottom nutrition layer 302 covers the bottom soil body 303, the bottom net layer 304 is located above the bottom soil body 303, and the bottom soil body 303 penetrates through the bottom planting hole 301 to be combined with the natural soil body into a whole.
Through arranging bottom stratum reticulare 304, can be convenient for spread of the root system of underwater plant more extensive scope, and through arranging bottom soil body 303 and the combination of natural soil body as an organic whole, the root system of underwater plant is more convenient for spread to the natural soil body through bottom soil body 303 in, increases the steadiness of underwater plant.
In this embodiment, the bottom of the floating mat 200 is closed, a floating planting cavity is formed in the floating mat 200, a floating nutrition layer 203 is arranged in the upper part of the floating planting cavity, and a floating soil body 204 is filled in the lower part of the floating planting cavity; the upper part of the floating cushion 200 is provided with a floating planting hole 202, and the floating planting hole 202 downwards penetrates into the floating planting cavity; the aquatic plant passes through the floating planting hole 202 and the root system of the aquatic plant extends into the floating nutritive layer 203 and the floating soil body 204.
The central position of the bottom of the floating planting cavity is sunken downwards to form a tapered cavity 205 with a large upper part and a small lower part, the bottom of the tapered cavity 205 is provided with a counterweight reset ball 206, the counterweight reset ball 206 is connected with the bottom of the tapered cavity 205 through an elastic column 207, and the elastic column 207 and the floating pad 200 are vertically arranged;
when the floating pad 200 inclines, the counterweight reset ball 206 inclines towards the same direction as the floating pad 200, and drives the elastic column 207 and the floating pad 200 to incline in the same direction, and then the elastic column 207 drives the counterweight reset ball 206 to reset and swing, and drives the floating pad 200 to reset.
Because the water body can fluctuate and change in the flowing process, even the floating pad 200 can be driven to incline too much sometimes, and at the moment, the automatic resetting of the floating pad 200 can be automatically realized through the matching structure of the counterweight resetting ball 206 and the elastic column 207.
In this embodiment, the elastic column 207 is provided with a plurality of elastic strings 208 on the periphery thereof, and the plurality of elastic strings 208 are circumferentially arranged along the circumference of the elastic column 207; the upper end of the elastic rope 208 is connected to the periphery of the elastic column 207, the lower end of the elastic rope 208 is connected to the inner side wall of the conical cavity 205, and the elastic rope 208 is obliquely arranged outwards along the extending direction from top to bottom; when the elastic columns 207 are in a vertical state with the floating mat 200, the plurality of elastic strings 208 are in a natural state.
Through setting up elastic cord 208, can assist the quick reset of elastic column 207, reset through the shrink of the elastic cord 208 that is stretched, can drive the elastic column 207 of slope form and reset.
In this embodiment, along the flowing direction of the water body, a plurality of activated carbon layers 403 are arranged in the adsorption cavity, and a filtering gap 404 is formed between adjacent activated carbon layers 403; a buffer gap 402 is formed between the activated carbon layer 403 and the inner side wall of the adsorption cavity, a filter gap 404 is positioned between the two buffer gaps 402, and the inflow hole 401 is communicated with the buffer gaps 402;
the bottom of the adsorption chamber is concave downward to form a collection chamber 405, a plurality of activated carbon layers 403 are positioned above the collection chamber 405, and the bottom of the filtration gap 404 and the bottom of the buffer gap 402 are respectively communicated with the top of the collection chamber 405.
After the water enters the buffering gap 402 through the inflow hole 401, the speed of the water can be buffered, in the process of passing through the plurality of activated carbon layers 403, pollutants in the water are conveniently intercepted and adsorbed by the activated carbon, in addition, the speed of the water is reduced in the process of flowing through the buffering gap 402 and the filtering gap 404, the diffusion range of the water is enlarged, and the adsorption and filtration of the pollutants in the water can be more efficiently provided.
In this embodiment, the bottom plate 101 is provided with a longitudinally arranged fixing seat, and the bottom of the adsorption plate 400 is rotatably connected with the fixing seat; the periphery of the floating pad 200 extends outwards to form a flexible floating sheet, the inner end of the floating sheet is connected to the periphery of the floating pad 200, the outer end of the floating sheet extends outwards, and the inner part of the floating sheet is hollow; the floating sheet is provided with an attaching surface which is arranged downwards and attached to the water surface, and a plurality of groove strips are arranged on the attaching surface.
Through setting up the floating piece, and floating piece floats on the surface of water, like this, can increase the stationarity that floats pad 200 to, floating piece is hollow form, appears the slope form when floating pad 200, and the submergence then can produce buoyancy upwards at the floating piece of water, and the drive floats pad 200 automatic re-setting.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims (6)

1. The ecological river channel suitable for guaranteeing and improving the water quality of urban river gushes is characterized by comprising a river section arranged between adjacent river gushes and a floating pad floating on the water surface of the river section, wherein the river section is provided with an arc-shaped river section surface, and the river section surface is enclosed to form a circulation space with an open top and for water to flow; along the flowing direction of the water body, the river section surface is provided with a plurality of sections of ecological sections which are arranged at intervals, and a storage groove which is sunken downwards and is used for storing deposited impurities is arranged between every two adjacent ecological sections;
a bottom plate is fixed on the river reach surface, underwater plants are planted on the bottom plate, and root systems of the underwater plants penetrate through the bottom plate and extend into a natural soil body below the river reach surface; overwater plants are planted on the floating pads, floating nutrition layers are arranged in the floating pads, and root systems of the overwater plants extend into the floating nutrition layers of the floating pads; the floating pad is connected with the bottom plate through an elastic belt, and the elastic restoring force of the elastic belt drives the floating pad to elastically reset;
an adsorption plate which freely swings along with the flowing of the water body is arranged in the water body of the river reach, the bottom of the adsorption plate is hinged, and the top of the adsorption plate extends upwards and is freely arranged; the adsorption plate is internally provided with an adsorption cavity which extends up and down, an activated carbon layer is filled in the adsorption cavity, the adsorption plate is internally provided with an inflow hole, and the inflow hole penetrates through the adsorption plate and is communicated with the adsorption cavity along the flowing direction of the water body;
a bottom planting cavity is arranged in the bottom plate, the bottom planting cavity extends along the tiling direction of the bottom plate and is arranged in a flat shape, and a bottom nutrition layer is filled in the bottom planting cavity;
the bottom plate is internally provided with a bottom planting hole which is communicated up and down, the bottom planting hole penetrates through the bottom nutrition layer, the bottom planting hole forms a top opening at the top of the bottom plate, the bottom plate is provided with an elastic bundling sleeve, and the bundling sleeve is surrounded to form a bundling cavity; the bottom of the beam-shaped sleeve is connected to the bottom plate and arranged around the periphery of the top opening of the bottom planting hole, and the top of the beam-shaped sleeve extends upwards;
the underwater plants penetrate through the beam-shaped cavity and the bottom planting holes, and the root systems of the underwater plants extend into a bottom nutrition layer and a natural soil body below the river reach;
a bottom net layer is fixedly paved at the lower part of the bottom nutrition layer, a plurality of bottom meshes are arranged in the bottom net layer, and the root system of the underwater plant penetrates through the plurality of bottom meshes;
the bottom nutrition layer is arranged at the upper part of the bottom planting cavity, a bottom soil body is filled in the lower part of the bottom planting cavity, the bottom nutrition layer covers the bottom soil body, the bottom net layer is positioned above the bottom soil body, and the bottom soil body penetrates through the bottom planting hole to be combined with a natural soil body into a whole;
the bottom of the floating cushion is arranged in a closed mode, a floating planting cavity is formed in the floating cushion, the floating nutrition layer is arranged in the upper portion of the floating planting cavity, and a floating soil body is filled in the lower portion of the floating planting cavity;
the upper part of the floating cushion is provided with a floating planting hole which downwards penetrates into the floating planting cavity; the aquatic plant penetrates through the floating planting hole, and the root system of the aquatic plant extends into the floating nutrition layer and the floating soil body;
the center position of the bottom of the floating planting cavity is downwards sunken to form a conical cavity with a large upper part and a small lower part, a counterweight reset ball is arranged at the bottom of the conical cavity, the counterweight reset ball is connected with the bottom of the conical cavity through an elastic column, and the elastic column is vertically arranged with the floating cushion;
when the floating pad inclines, the counterweight reset ball inclines towards the same direction as the floating pad, the elastic column and the floating pad are driven to incline and deform in the same direction, and the elastic column drives the counterweight reset ball to reset and swing to drive the floating pad to reset.
2. The ecological riverway suitable for improving the water quality guarantee of the urban river bank according to claim 1, wherein the top of the storage groove is provided with a top opening, and the top opening of the storage groove is provided with two oppositely arranged flexible sheets which are bent and deformed downwards under pressure; the outside of flexible piece is connected at open-top's side, two the inboard relative arrangement of flexible piece, and two have flexible interval between the inboard of flexible piece.
3. The ecological riverway suitable for improving the water quality guarantee of the urban river bank according to claim 2, wherein the inner side wall of the accommodating groove is provided with a plurality of flexible fluff bundles which float along with the flow of water; the inner side wall of the containing groove expands outwards to form a side wall groove, and the side wall groove is obliquely arranged downwards along the direction from outside to inside;
the bottom of the containing groove is downwards sunken to form a bottom groove, and the width of the bottom groove is smaller than that of the containing groove.
4. The ecological riverway suitable for urban river gushing water quality guarantee and improvement as claimed in any one of claims 1 to 3, wherein a plurality of elastic ropes are arranged on the periphery of the elastic column, and are circumferentially arranged along the circumference of the elastic column; the upper end of the elastic rope is connected to the periphery of the elastic column, the lower end of the elastic rope is connected to the inner side wall of the conical cavity, and the elastic rope is arranged in an outward inclined mode along the extending direction from top to bottom; when the elastic column and the floating cushion are in a vertical state, the elastic ropes are in a natural state.
5. The ecological riverway suitable for improving the water quality guarantee of the urban river bank according to any one of claims 1 to 3, wherein a plurality of activated carbon layers are arranged in the adsorption cavity along the flowing direction of the water body, and a filtering gap is formed between every two adjacent activated carbon layers; a buffer gap is formed between the activated carbon layer and the inner side wall of the adsorption cavity, the filtering gap is positioned between the two buffer gaps, and the inflow hole is communicated with the buffer gaps;
the bottom in absorption chamber is sunken down, forms and collects the chamber, and is a plurality of the active carbon layer is located the top in collection chamber, the bottom in filtration clearance and buffering clearance communicates with the top in collection chamber respectively.
6. The ecological riverway suitable for improving the urban river surge water quality assurance as claimed in claim 5, wherein the bottom plate is provided with a fixing seat arranged longitudinally, and the bottom of the adsorption plate is rotatably connected with the fixing seat; the periphery of the floating pad extends outwards to form a flexible floating sheet, the inner end of the floating sheet is connected to the periphery of the floating pad, the outer end of the floating sheet extends outwards, and the inner part of the floating sheet is hollow; the floating sheet is provided with an attaching surface which is arranged downwards and attached to the water surface, and a plurality of groove strips are arranged on the attaching surface.
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JP3053520U (en) * 1998-04-24 1998-11-04 小高工業株式会社 Supports for plant stems, trunks, branches, etc.
CN100467398C (en) * 2007-01-25 2009-03-11 河北农业大学 City ditch polluted water in situ ecological purifying processing device
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