CN113264635A - Ecological riverway floating bed system - Google Patents

Ecological riverway floating bed system Download PDF

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Publication number
CN113264635A
CN113264635A CN202110524194.5A CN202110524194A CN113264635A CN 113264635 A CN113264635 A CN 113264635A CN 202110524194 A CN202110524194 A CN 202110524194A CN 113264635 A CN113264635 A CN 113264635A
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CN
China
Prior art keywords
floating bed
section
water
purification device
channel
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Granted
Application number
CN202110524194.5A
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Chinese (zh)
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CN113264635B (en
Inventor
王海明
王玥
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Hohai University HHU
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Hohai University HHU
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Publication of CN113264635B publication Critical patent/CN113264635B/en
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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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/08—Details, e.g. gates, screens
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/08—Details, e.g. gates, screens
    • E02B5/082—Closures
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46176—Galvanic cells
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The invention discloses an ecological riverway floating bed system, which comprises a channel foundation part and a purification device, wherein the channel foundation part is provided with a plurality of channels; the end surface of the channel base part is in an isosceles trapezoid shape, the upper end opening is large, and the lower end is tightened; the channel foundation part is sequentially divided into a water blocking section, a flushing section, a uniform flowing section and a silting section along the water flow direction; a miniature water retaining dam is arranged between the water retaining section and the flushing section; the bottom surface of the scouring section is sunken downwards to form a water storage pit; the purification device comprises a plant floating bed and an iron carbon purification device, the purification device is connected with the channel foundation part through a first connecting rope, and the purification device is positioned at the downstream of the micro retaining dam; the plant floating bed is connected with the iron carbon purification device through a second connecting rope, and the balance iron carbon purification device is positioned below the plant floating bed; the plant floating bed is provided with a floater. The water purification plant planting basket of the plant floating bed is planted with water purification plants. The water body polluted by nitrogen and phosphorus is gradually digested under the action of plants, microorganisms and iron-carbon micro-electrolysis, and the purification effect is very good.

Description

Ecological riverway floating bed system
Technical Field
The invention relates to the technical field of floating beds, in particular to an ecological riverway floating bed system.
Background
An ecological floating bed, also called an artificial floating bed, an ecological floating island and the like, is a common measure for degrading the content of COD, nitrogen and phosphorus in water in a river channel or a lake at present, floats on the surface of the river channel or the lake by means of self buoyancy, and removes and purifies nutritive salt by aquatic plants and fillers planted on the floating bed.
The existing ecological floating bed adopts a biological purification mode, and in addition, the root system of emergent aquatic plants floats on the surface, and a microbial film is only attached to the vicinity of the floating bed, so that the purification effect is poor, and when the pollutant content is higher, the satisfactory purification effect is difficult to obtain. And the existing ecological floating bed can not keep enough water for the growth of the floating bed plants in a low water level or a dry season, so that the floating bed plants are easy to die, economic loss is caused, and the water purification effect is influenced.
Disclosure of Invention
The invention aims to provide an ecological riverway floating bed system, which solves the technical problems that in the existing ecological floating bed, the root system of emergent aquatic plants floats on the surface, microbial membranes are only attached to the vicinity of the floating bed, the purification effect is poor, and the existing ecological floating bed cannot keep enough water for the growth of the floating bed plants in a low water level or a dry period, so that the floating bed plants are easy to die and the water purification effect is influenced.
In order to solve the technical problems, the invention adopts the following technical scheme:
an ecological riverway floating bed system comprises a channel foundation part and a purification device;
the end surface of the channel base part is in an isosceles trapezoid shape, the upper end opening is large, and the lower end is tightened; the channel foundation part is sequentially divided into a water blocking section, a flushing section, a uniform flowing section and a silting section along the water flow direction; a miniature water retaining dam is arranged between the water retaining section and the flushing section; the bottom surface of the scouring section is sunken downwards to form a water storage pit;
the purification device comprises a plant floating bed and an iron carbon purification device, the purification device is connected with the channel foundation part through a first connecting rope, and the purification device is positioned at the downstream of the micro retaining dam; the plant floating bed is connected with the iron carbon purification device through a second connecting rope, and the balance iron carbon purification device is positioned below the plant floating bed; the plant floating bed is provided with a floater.
Water purification plants are planted in the water purification plant planting baskets of the plant floating bed. The water body polluted by nitrogen and phosphorus is gradually digested under the action of plants, microorganisms and iron-carbon micro-electrolysis, and the purification effect is very good.
Further optimize, indisputable carbon purifier includes the little electrolysis stick of frame and a plurality of indisputable carbon, and the little electrolysis stick of indisputable carbon passes through the bolt fastening on the frame to the dislocation forms screen cloth structure around. The iron-carbon micro-electrolysis rod is used as an iron-carbon micro-electrolysis filler and is convenient to replace.
Further optimize, first connecting rope includes elasticity rope and rigidity rope, is provided with a plurality of spacing rings along its length direction on the elasticity rope, and rigidity rope passes a plurality of spacing rings of concreteing on the elasticity rope and concreties with channel basis part and purifier, and the length of rigidity rope is good at the elasticity rope.
In the invention, the water blocking section, the flushing section, the uniform flow section and the sedimentation section are arranged; when the water quantity is more, the water flow of the channel passes through the water blocking section, the scouring section, the uniform flowing section and the sedimentation section in sequence, the water level is blocked up by the miniature water blocking dam in the water blocking section, and an torrent is formed in the downstream scouring section to flush away sediment deposited in the depression, the water head loss in the position can be reduced in the form of a curved section, and the plant floating bed moves downstream under the action of water flow impact.
When the water quantity is less and even the water is cut off, the water plant floating bed stored in the water storage pit in front of the miniature retaining dam moves upstream under the elastic force action of the restoring force of the elastic rope, and in the moving process, the iron carbon purification device is lower in position, firstly touches the bottom of the channel and is stabilized at the bottom of the upstream channel of the uniform flow section, and the plant floating bed finally sinks in the water storage pit of the flushing section to maintain the normal growth of the plant, so that the purification effect is ensured.
Further optimization, the channel foundation part is of a rigid structure and partially replaces a river channel to become a water channel of river water.
Further optimization, the bottom surface of the scouring section is an arc surface.
Further preferably, the surface of one side of the miniature retaining dam close to the scouring section is an arc surface and is in smooth transition connection with the bottom surface of the scouring section.
Further preferably, the floater is cylindrical and horizontally arranged, and the axis of the floater is lower than the central line of the floating bed.
Further preferably, the floater is fixedly connected to the downstream end of the plant floating bed. The water blocking section is provided with a miniature water blocking dam, the scouring section is sunken towards the bottom of the channel, the section is a smooth curve, the uniform flowing section keeps a proper slope and is not provided with any water blocking measures, the silting section is arranged outside the lining, the channel condition is the original channel section, and a certain amount of plants grow on the channel section.
Further, the first connecting rope is provided with 2.
Further, the float is cylindrical, and the central axis of the float is below the position of the central line of the floating bed.
Compared with the prior art, the invention has the beneficial effects that:
1. the water purification plant planting basket of the plant floating bed is planted with water purification plants. The water body polluted by nitrogen and phosphorus is gradually digested under the action of plants, microorganisms and iron-carbon micro-electrolysis, and the purification effect is very good.
2. In the invention, the water blocking section, the flushing section, the uniform flow section and the sedimentation section are arranged; when the water quantity is more, the water flow of the channel passes through the water blocking section, the scouring section, the uniform flowing section and the sedimentation section in sequence, the water level is blocked up by the miniature water blocking dam in the water blocking section, and an torrent is formed in the downstream scouring section to flush away sediment deposited in the depression, the water head loss in the position can be reduced in the form of a curved section, and the plant floating bed moves downstream under the action of water flow impact. When the water quantity is less and even the water is cut off, the water plant floating bed stored in the water storage pit in front of the miniature retaining dam moves upstream under the elastic force action of the restoring force of the elastic rope, and in the moving process, the iron carbon purification device is lower in position, firstly touches the bottom of the channel and is stabilized at the bottom of the upstream channel of the uniform flow section, and the plant floating bed finally sinks in the water storage pit of the flushing section to maintain the normal growth of the plant, so that the purification effect is ensured.
3. The water storage pit is arranged at the bottom of the channel to store water, and the water storage pit is used as an area where the floating bed is located when the water quantity is insufficient, so that water required by the survival of the floating bed plants can be provided. Partial water can be stored in front of the micro water retaining dam and can be used as ecological water storage of the channel.
4. Through the structure of the connecting rope, the floating bed can be stabilized in a uniform flow section with stable water flow and stable flow state when the water quantity is larger and the flow speed is higher, and the floating bed is in a flushing section capable of storing part of water when the water quantity is less and is nearly dry.
5. The water drop is formed in the scouring section behind the water retaining dam by arranging the miniature water retaining dam, the concave scouring section is scoured, and structural failure caused by sediment deposition is prevented.
Drawings
Fig. 1 is a schematic structural diagram of an ecological riverway floating bed system according to the invention;
FIG. 2 is a schematic view of the construction of the connecting rope according to the present invention;
FIG. 3 is a schematic view showing the structure of a purification apparatus according to the present invention;
FIG. 4 is a schematic view of the internal structure of the iron-carbon micro-electrolysis device shown in FIG. 3;
fig. 5 is a side view of the ecological riverway floating bed system.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1-5. An ecological riverway floating bed system comprises a channel foundation part and a purification device;
the end surface of the channel base part is in an isosceles trapezoid shape, the upper end opening is large, and the lower end is tightened; the channel foundation part is sequentially divided into a water blocking section 101, a flushing section 102, a uniform flow section 103 and a silting section 104 along the water flow direction; a micro water retaining dam 105 is arranged between the water blocking section 101 and the flushing section 102; the bottom surface of the flushing section 102 is recessed downwards to form a water storage pit;
the purification device comprises a plant floating bed 201 and an iron carbon purification device 202, the purification device is connected with the channel foundation part 100 through a first connecting rope 300, and the purification device is positioned at the downstream of the micro water retaining dam 105; the plant floating bed 201 is connected with the iron carbon purification device 202 through a second connecting rope 203, and the balance iron carbon purification device 203 is positioned below the plant floating bed 201; the plant floating bed is provided with a floater 204.
The water purification plant planting basket of the plant floating bed is planted with water purification plants. The water body polluted by nitrogen and phosphorus is gradually digested under the action of plants, microorganisms and iron-carbon micro-electrolysis, and the purification effect is very good.
In this embodiment, the iron-carbon purification apparatus 202 includes a frame 205 and an iron-carbon micro-electrolysis rod 206, and the iron-carbon micro-electrolysis rod 206 is fixed on the frame 205 by bolts and is staggered back and forth to form a screen structure. The iron-carbon micro-electrolysis rod 206 is used as an iron-carbon micro-electrolysis filler and is convenient to replace.
In this embodiment, the first connection rope includes an elastic rope 301 and a rigid rope 302, a plurality of limiting rings 303 are disposed on the elastic rope 301 along the length direction thereof, the rigid rope passes through the plurality of limiting rings 303 fixed on the elastic rope and is fixed with the channel foundation part 100 and the purification device, and the length of the rigid rope is longer than that of the elastic rope.
In the invention, the water blocking section 101, the flushing section 102, the uniform flow section 103 and the sedimentation section 104 are arranged; when the water quantity is large, the water flow of the channel passes through the water blocking section 101, the flushing section 102, the uniform flow section 103 and the sedimentation section 104 in sequence, the water level is blocked up by the miniature water blocking dam in the water blocking section, and the torrent is formed in the downstream flushing section to flush away the sediment deposited in the depression, so that the water head loss in the section can be reduced, and the plant floating bed moves downstream due to the impact of the water flow.
When the water quantity is less and even the water is cut off, the floating bed of the water plant stored in the water storage pit in front of the micro retaining dam moves upstream under the elastic force action of the restoring force of the elastic rope, in the moving process, the iron carbon purification device 202 touches the bottom of the channel firstly and is stabilized at the bottom of the upstream channel of the uniform flow section, and the floating bed 201 of the plant finally sinks in the water storage pit of the flushing section to maintain the normal growth of the plant, so that the purification effect is ensured.
In this embodiment, the channel base is a rigid structure and partially replaces the river channel to become the water channel of the river.
In this embodiment, the bottom surface of the flushing section 102 is a cambered surface.
In this embodiment, the surface of the micro dam 105 near the side of the flushing section 102 is a cambered surface, and is connected with the bottom surface of the flushing section 102 in a smooth transition manner.
In this embodiment, the floats are cylindrical and horizontally disposed, with their axes below the centerline of the bed 201.
In this embodiment, the float 204 is attached to the downstream end of the plant bed. The water blocking section is provided with a miniature water blocking dam, the scouring section is sunken towards the bottom of the channel, the section is a smooth curve, the uniform flowing section keeps a proper slope and is not provided with any water blocking measures, the silting section is arranged outside the lining, the channel condition is the original channel section, and a certain amount of plants grow on the channel section.
In this embodiment, the first connecting rope is provided with 2 connecting ropes.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention.
The non-illustrated parts referred to in the present invention are the same as or implemented by the prior art.

Claims (8)

1. The utility model provides an ecological river course floats bed system which characterized in that: comprises a channel foundation part and a purification device;
the end surface of the channel base part is in an isosceles trapezoid shape, the upper end opening is large, and the lower end is tightened; the channel foundation part is sequentially divided into a water blocking section, a flushing section, a uniform flowing section and a silting section along the water flow direction; a miniature water retaining dam is arranged between the water retaining section and the flushing section; the bottom surface of the scouring section is sunken downwards to form a water storage pit;
the purification device comprises a plant floating bed and an iron carbon purification device, the purification device is connected with the channel foundation part through a first connecting rope, and the purification device is positioned at the downstream of the micro retaining dam; the plant floating bed is connected with the iron carbon purification device through a second connecting rope, and the balance iron carbon purification device is positioned below the plant floating bed; the plant floating bed is provided with a floater.
2. The ecological riverway floating bed system according to claim 1, characterized in that: the iron-carbon purification device comprises a frame and a plurality of iron-carbon micro-electrolysis rods, wherein the iron-carbon micro-electrolysis rods are fixed on the frame through bolts and form a screen structure.
3. The ecological riverway floating bed system according to claim 1 or 2, characterized in that: the first connecting rope comprises an elastic rope and a rigid rope, a plurality of limiting rings are arranged on the elastic rope along the length direction of the elastic rope, the rigid rope penetrates through the limiting rings fixedly connected to the elastic rope and fixedly connected with the channel foundation part and the purifying device, and the length of the rigid rope is longer than that of the elastic rope.
4. The ecological riverway floating bed system according to claim 3, wherein: the channel foundation part is of a rigid structure and partially replaces a river channel to become a water channel of river water.
5. The ecological riverway floating bed system according to claim 4, wherein: the bottom surface of the scouring section is an arc surface.
6. The ecological riverway floating bed system according to claim 5, wherein: the surface of one side of the miniature water retaining dam close to the scouring section is an arc surface and is in smooth transition connection with the bottom surface of the scouring section.
7. The ecological riverway floating bed system according to claim 6, wherein: the floater is cylindrical and horizontally arranged, and the axis of the floater is lower than the central line of the floating bed.
8. The ecological riverway floating bed system according to claim 7, wherein: the floater is fixedly connected to the downstream end of the plant floating bed.
CN202110524194.5A 2021-05-13 2021-05-13 Ecological river channel floating bed system Active CN113264635B (en)

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CN202110524194.5A CN113264635B (en) 2021-05-13 2021-05-13 Ecological river channel floating bed system

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CN202110524194.5A CN113264635B (en) 2021-05-13 2021-05-13 Ecological river channel floating bed system

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CN113264635A true CN113264635A (en) 2021-08-17
CN113264635B CN113264635B (en) 2023-07-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040074162A (en) * 2003-02-17 2004-08-23 안태석 Afforesting apparatus for the slopes of lakes
CN105060637A (en) * 2015-08-08 2015-11-18 郑州大学 Method for constructing ecological purification system for substrate sludge-water polluted type shallow-narrow river
CN106884411A (en) * 2017-03-31 2017-06-23 上海勘测设计研究院有限公司 Reservoir bank ecological protection system
CN108558013A (en) * 2017-12-27 2018-09-21 上海太和水环境科技发展股份有限公司 A kind of desilting system suitable for river
CN211035602U (en) * 2019-09-12 2020-07-17 湖南恒凯环保科技投资有限公司 Black smelly water intensive treatment system
CN112174329A (en) * 2020-09-15 2021-01-05 同济大学 Micro-electrolysis enhanced ecological floating bed coupling photocatalysis surface water ecological restoration device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040074162A (en) * 2003-02-17 2004-08-23 안태석 Afforesting apparatus for the slopes of lakes
CN105060637A (en) * 2015-08-08 2015-11-18 郑州大学 Method for constructing ecological purification system for substrate sludge-water polluted type shallow-narrow river
CN106884411A (en) * 2017-03-31 2017-06-23 上海勘测设计研究院有限公司 Reservoir bank ecological protection system
CN108558013A (en) * 2017-12-27 2018-09-21 上海太和水环境科技发展股份有限公司 A kind of desilting system suitable for river
CN211035602U (en) * 2019-09-12 2020-07-17 湖南恒凯环保科技投资有限公司 Black smelly water intensive treatment system
CN112174329A (en) * 2020-09-15 2021-01-05 同济大学 Micro-electrolysis enhanced ecological floating bed coupling photocatalysis surface water ecological restoration device

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