CN111807645A - Ecological clean system of river course side - Google Patents
Ecological clean system of river course side Download PDFInfo
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- CN111807645A CN111807645A CN202010766639.6A CN202010766639A CN111807645A CN 111807645 A CN111807645 A CN 111807645A CN 202010766639 A CN202010766639 A CN 202010766639A CN 111807645 A CN111807645 A CN 111807645A
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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
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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
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- 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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Abstract
The invention relates to an ecological purification system for a riverway side, which comprises a water diversion canal, an ecological purification pond and a water outlet canal which are sequentially communicated, riverway water is introduced into the ecological purification pond through the water diversion canal, the riverway water is discharged to an original riverway through the water outlet canal after being purified, the water diversion canal is provided with an ecological permeable dam, an adsorption filler filtering area and an underwater ecological backflow wall are arranged in the ecological purification pond, a vegetation buffer zone is arranged at the side of the water diversion canal, emergent aquatic plant growing areas are arranged on the inner sides of the ecological purification pond and the water outlet canal, and a vegetation buffer zone is arranged on the outer sides of the ecological. The beneficial effects are as follows: the abandoned pond at the periphery of the river channel is fully utilized, the water quality of the river channel can be purified, meanwhile, the aquatic plants are planted in the system in a matching manner, the landscape at the periphery of the river channel can be improved, and the construction of the water environment and the water landscape of the river channel is facilitated. By utilizing the principles of plant purification and microbial purification, an adsorption filler filtering area, an underwater ecological backflow wall and an emergent aquatic plant planting area are designed, water is purified by a green and ecological method, and no chemical agent is added.
Description
Technical Field
The invention relates to the field of water environment treatment, in particular to a riverway side ecological purification system which is used for treating riverway water quality.
Background
The countryside population base number of China is large and accounts for about 70% of the total population number of China. Most villages and small towns resident inhabitants live along the river course, and the river course not only regards as the pond of the resident domestic water of both sides, accomodates resident domestic drainage's acceptor in addition again, and along with the gradual increase of domestic sewage quantity, the river course weakens gradually or even has lost original self-purification function for pollutant concentrations such as a large amount of COD in the river course, nitrogen, phosphorus and suspended solid increase, cause quality of water to worsen, bring serious influence for resident's life.
The existing sewage treatment technology in China realizes water purification through pipe network filtration and chemical agent disinfection treatment, and the treatment mode needs to build a huge water collection system and a huge storage system. Due to the factors of large number of riverways, wide area, unfixed water flow direction and the like, the traditional domestic sewage treatment technology is difficult to be applied to river treatment. Most of the riverways have the flood discharge function, and in order to ensure the flood discharge, various governing facilities are difficult to be applied to the original riverways.
The abandoned ponds with small sizes are arranged on the two sides of the river in general rural areas, weeds grow, landscape effects on the two sides of the river are poor, if the abandoned ponds can be used for ecological purification of polluted river water, the water quality of the river can be purified, meanwhile, landscapes on the two sides of the river can be beautified, and the ecological water purification method has important significance for river water environment and water landscape construction.
Aiming at the problems, the invention provides a side ecological purification system for treating the water quality of the river channel, which makes full use of the abandoned ponds at the periphery of the river channel, can purify the water quality of the river channel, can improve the landscape at the periphery of the river channel by planting aquatic plants in the system at the same time, and is beneficial to the construction of the water environment and the water landscape of the river channel.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a side ecological purification system for treating the water quality of a river channel, which can purify the water quality of the river channel by fully utilizing waste pits at the periphery of the river channel, can improve the landscape at the periphery of the river channel by planting aquatic plants in the system at the same time and is beneficial to the construction of the water environment and the water landscape of the river channel.
The invention provides a riverway side ecological purification system, which adopts the technical scheme that:
the utility model provides an ecological clean system of river course side, is including the inlet channel, ecological pond and the delivery canal of purifying that communicate in proper order, and the river course water is introduced ecological pond of purifying by the inlet channel, and the river is discharged to former river course by the delivery canal after purifying, the inlet channel is provided with ecological permeable dam, establish absorption filler filtering area and ecological backward flow wall under water in the ecological pond of purifying, the inlet channel limit is provided with the vegetation buffer zone, the inboard of ecological pond and delivery canal of purifying is provided with emergent aquatic plants planting district, and the outside is provided with the vegetation buffer zone.
Preferably, a water passing dam is arranged in the river channel, the water passing dam is higher than the normal water level by 0.5m, the water passing dam is a rubber dam or an earth-rock dam, a plurality of side ecological purification systems are arranged beside the river channel, and the side ecological purification systems are arranged in a multistage mode according to the current situations of the two sides of the river channel to construct a water quality purification system and a river channel landscape system.
Preferably, along the water flow direction, a diversion canal is built outside the front end 20m of the dam, water is guided to the side ecological purification system through the diversion canal, and the width of the diversion canal is 5-10 m.
Preferably, the ecological permeable dam consists of an iron net outer frame, rubbles and gravels, the space between grids in a water-facing surface of the iron net outer frame is 10 mm-10 mm, and the space between grids in the water-facing surface is set to be small, so that the ecological permeable dam is used for blocking and collecting garbage on the water surface, and meanwhile, partial suspended matters are removed through physical sedimentation.
Preferably, the grid spacing of other surfaces of the iron net outer frame is 50mm x 50mm, the specifications of the rubble and the gravel are 80 mm-120 mm, and the water body is pretreated by utilizing the adsorption and sedimentation of the surface area of the gravel.
Preferably, the adsorption filler filtering area is arranged at the front end of the ecological purification pond and consists of an A gabion unit and a B gabion unit which are alternately linked;
the outer frame of the gabion unit A is a cube with 0.5m by 0.5m, the gabion mesh is made of the material, and the space between gabion meshes is 50 mm; gravel is filled inside, and the size of the gravel is 80-120 mm;
the outer frame of the gabion unit is a cube with 0.5m by 0.5m, the gabion mesh is made of the material, and the space between gabion meshes is 10 mm; the interior of the porous resin material is filled with volcanic rock and added with microbial agents, and the average particle size of the volcanic rock and the porous resin material is more than 20 mm; and soaking the porous resin material in the microbial agent solution for a period of time to fully fill the micro-pores of the resin with the microorganisms, and filling the combination of the porous resin material and the volcanic rock filler in a volume ratio of 1:2 into the gabion unit.
Preferably, the A gabion units and the B gabion units are alternately placed, the units are fixed by iron wires, and the adsorption filler filtering area is formed by piling and fixing according to the size of the ecological purification pond.
Preferably, the underwater ecological backflow wall is composed of one or more of eel grass, watermifoil, golden fish algae or curly pondweed with a water quality purification function, the width of the ecological backflow wall is about 2-5 m, the ecological backflow wall is in an arc shape, the plant planting is in a strip-shaped block planting, and one or more underwater ecological backflow walls are designed according to the size of the ecological purification pond and the water quality improvement requirement.
Preferably, emergent aquatic plants are planted in the range of 1m beside the pond of the ecological purification pond, and the emergent aquatic plants are one or more of reed, calamus or canna; the vegetation buffer zone is paved with large gravels and small gravels, the large gravels are paved on the bottom layer, the vegetation is planted on the small gravels, the thickness of the large gravels is 10-20mm, the particle size is 15-30mm, the thickness of the small gravels is 5-10mm, and the particle size is 5-8 mm.
Preferably, an ecological floating island is arranged in the water outlet channel, the width of the water outlet channel is 5-10m, the water outlet channel side slope and the water inlet channel side slope are designed, a plant buffer zone is arranged, the water outlet channel side slope is planted with short emergent aquatic plants, the short emergent aquatic plants are one or more of grassleaf sweelflag rhizome, yellow flag rhizome, water celery, water bamboo or cattail, and the water quality is further purified.
The implementation of the invention comprises the following technical effects:
(1) the invention makes full use of the abandoned ponds at the periphery of the river channel, not only can purify the water quality of the river channel, but also can improve the landscape at the periphery of the river channel by matching and planting the aquatic plants in the system, thereby being beneficial to the construction of the water environment and the water landscape of the river channel.
(2) The invention utilizes the principles of plant purification and microbial purification, designs an adsorption filler filtering area, an underwater ecological backflow wall and an emergent aquatic plant planting area, purifies water quality by a green and ecological method, and does not involve any chemical agent addition.
(3) According to the invention, after the preposed garbage collection, the suspended matter sedimentation, the microbial purification of the middle section, the aquatic plant purification and the emergent aquatic plant purification of the rear end, the COD removal rate is more than or equal to 60%, the BOD removal rate is more than or equal to 50% and the ammonia nitrogen removal rate is more than or equal to 40% can be realized.
Drawings
Fig. 1 is a schematic plane structure diagram of a riverway side ecological purification system in an embodiment of the invention.
Fig. 2 is a schematic diagram of a smoke riverway provided with a side ecological purification system.
Fig. 3 is a schematic view of a vegetation buffer zone.
Fig. 4 is a schematic sectional view of the ecological purification system beside the river.
In the figure: 100. a side ecological purification system; 1. a water diversion canal; 2. an ecological purification pond; 20. an adsorption packing filtration zone; 21. a, a gabion unit; 22. b, a gabion unit; 23. an underwater ecological return wall; 3. a water outlet channel; 4. an ecological permeable dam; 5. a vegetation buffer zone; 50. large gravel; 51. small gravel; 6. emergent aquatic plant growing area; 7. a river channel; 8. and (4) passing through a dam.
Detailed Description
The present invention will be described in detail below with reference to embodiments and drawings, it being noted that the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit it in any way.
Referring to fig. 1 to 4, the ecological purification system 100 for riverway side provided by this embodiment includes a diversion canal 1, an ecological purification pond 2 and an outlet canal 3 which are sequentially communicated, river 7 water is introduced into the ecological purification pond 2 through the diversion canal 1, and is discharged to an original riverway 7 through the outlet canal 3 after river water is purified, the diversion canal 1 is provided with an ecological permeable dam 4, an adsorption filler filtering area 20 and an underwater ecological backflow wall 23 are arranged in the ecological purification pond 2, a vegetation buffer zone 5 is arranged on the side of the diversion canal 1, an emergent aquatic plant planting area 6 is arranged on the inner side of the ecological purification pond 2 and the inner side of the outlet canal 3, and the vegetation buffer zone 5 is arranged on the outer side of the ecological purification pond 2. River water is subjected to primary pretreatment of the ecological permeable dam 4, secondary biological purification of the adsorption filler filtering area 20 and tertiary enhanced purification of the underwater ecological backflow wall 23, and the purification effect is good. The side slope of the diversion canal 1 adopts flexible design and is designed into a vegetation buffer zone 5. The vegetation buffer zone 5 mainly functions to reduce non-point source pollution of water and reduce runoff rainwater pollution. The diversion canal 1 is connected with the ecological purification pond 2 in a downward connection mode, and the ecological purification pond 2 is formed by dredging waste pits. The ecological purification pond 2 is dug to the depth of 1.5 m-2.5 m, and the slope ratio is 1: 3. An adsorption filler filtering area 20, an underwater ecological backflow wall 23 area and an emergent aquatic plant planting area 6 are arranged in the ecological purification pond 2. The ecological purification pond 2 side slope is designed with the diversion canal 1 side slope, and a plant buffer zone is arranged.
Referring to fig. 2, a water-passing dam 8 is arranged in the river channel 7, the water-passing dam 8 is higher than the normal water level by 0.5m, the water-passing dam 8 can be a rubber dam or an earth-rock dam, so that the river water can be conveniently introduced into the side ecological purification system 100, a plurality of side ecological purification systems 100 are arranged beside the river channel 7, and the side ecological purification systems 100 can be arranged in a multistage manner according to the current situation at two sides of the river channel 7 to construct a water quality purification system and a river channel 7 landscape system. Along the water flow direction, the diversion canal 1 is built at the position 20m from the front end of the dam 8, water is guided to the side ecological purification system 100 through the diversion canal 1, and the width of the diversion canal 1 is 5-10 m.
Referring to fig. 1, the ecological permeable dam 4 is composed of an iron net outer frame, rubbles and gravels, the space between the grids in the water-facing surface of the iron net outer frame is 10 mm-10 mm, and the space between the grids in the water-facing surface is set to be small space, so that the ecological permeable dam is used for blocking and collecting garbage on the water surface, and meanwhile, partial suspended matters are removed through physical sedimentation. The main function of the ecological permeable dam 4 is to pretreat the incoming water. The grid spacing of other surfaces of the iron net outer frame is 50mm x 50mm, the specifications of the rubble and the gravel are 80 mm-120 mm, and the water body is pretreated by utilizing the adsorption and sedimentation of the surface area of the gravel. The garbage collected on the upstream surface of the ecological permeable dam 4 is regularly cleaned, and the water passing speed is ensured. The adsorption filler filtering area 20 is arranged at the front end of the ecological purification pond 2, and the adsorption filler filtering area 20 is formed by alternately connecting an A gabion unit 21 and a B gabion unit 22.
The outer frame of the A gabion unit 21 is a cube with 0.5m by 0.5m, the gabion mesh is made of the material, and the space between gabion meshes is 50 mm; gravel is filled inside, and the size of the gravel is 80-120 mm.
The outer frame of the B gabion unit 22 is a cube with 0.5m by 0.5m, the gabion mesh is made of the material, and the space between gabion meshes is 10 mm; the interior of the porous resin material is filled with volcanic rock and added with microbial agents, and the average particle size of the volcanic rock and the porous resin material is more than 20 mm; the volcanic filter material has rough and microporous surface, is suitable for the growth and propagation of microbes on the surface of the volcanic filter material, can quickly generate a large amount of biological membranes, and can degrade organic pollutants in water. And soaking the porous resin material in the microbial agent solution for a period of time (24h) to fully fill the micropores of the resin with the microorganisms, and filling the combination of the porous resin material and the volcanic rock filler in a volume ratio of 1:2 into the gabion unit.
The A gabion units 21 and the B gabion units 22 are alternately arranged, the units are fixed by iron wires, and the adsorption filler filtering area 20 is formed by piling and fixing according to the size of the ecological purification pond 2. The B gabion unit 22 mainly plays a role in microorganism water purification, and as the filler in the B gabion unit 22 is small in size, the water flow speed is too small, and the gravel in the A gabion unit 21 is large in size, the water flow speed is mainly guaranteed.
Referring to fig. 1 to 4, the underwater ecological backflow wall 23 is composed of one or more of eel grass, watermifoil, goldfish algae or curly pondweed having a water quality purification function, the width of the ecological backflow wall is about 2-5 m, the ecological backflow wall is arc-shaped, plant planting is strip-shaped and is planted in blocks, and one or more underwater ecological backflow walls 23 are designed according to the size of the ecological purification pond 2 and the water quality improvement requirement. The plant collocation can be selected from two or three combinations. Emergent aquatic plants are planted in the range of 1m beside the ecological purification pond 2, and the emergent aquatic plants are one or more of reed, calamus or canna. Emergent aquatic plants further purify water quality and increase landscape effect. The vegetation buffer zone 5 is paved with large gravels 50 and small gravels 51, the large gravels 50 are paved on the bottom layer, the small gravels 51 are planted with vegetation, the large gravels 50 are 10-20mm thick, the grain diameter is 15-30mm, the small gravels 51 are 5-10mm thick, and the grain diameter is 5-8 mm. An ecological floating island is arranged in the water outlet channel 3, the water outlet channel 3 is 5-10m wide, the slope of the water outlet channel 3 is designed with the slope of the water inlet channel 1, a plant buffer zone is arranged, the slope of the water outlet channel 3 is used for planting short emergent aquatic plants, the short emergent aquatic plants are one or more of acorus gramineus, calamus flavus, water celery, water bamboo or cattail, and the water quality is further purified.
Example 1
Average width of river channel 7 in certain villages and towns11m, due to the fact that rural domestic sewage infrastructure is incomplete, the river channel 7 receives part of domestic sewage, water quality is poor, the river channel is surface water V type or poor V type, meanwhile, water transparency is low, and suspended matter concentration is high. As the main pollution source of the water quality of the river channel 7 is domestic sewage, and simultaneously, the infrastructure is imperfect, a plurality of waste pits are arranged on two sides of a river reach of the river channel 7 flowing out of a village and a town, and the site area meets the design requirement, the side ecological purification system 100 is designed to purify the water quality. The width of the diversion canal 1 is 8m, the depth of the canal is 1m, and the diversion water level is about 0.8 m; the ecological permeable dam 4 in the diversion canal 1 is 8m wide and 1.3m high; the width of the ecological purification pond 2 is about 25m, the depth of the pond is 2m, the maximum width is 50m, and the water level is 1.5 m; the ecological purification pond 2 sets up in the front end 2m within range and adsorbs filler filtering area 20, sets up 25A and B gabion units 22 respectively in turn with rivers vertical direction, and the rivers direction sets up 4 row gabion units, and vertical direction sets up 2 layers of gabion units, needs 200A gabion units 21 and 200B gabion units 22 altogether. 3 underwater ecological backflow walls 23 are arranged in the middle of the ecological purification pond 2, and each section of the ecological purification pond is 3m in width and 3m in interval. The planting area of submerged plants on each section of the return wall is 45m2The plants are selected from herba Swertiae Dilutae, Goldfish algae and curly pondweed, and the planting area of herba Swertiae Dilutae is 10m2The planting area of the golden carp algae is 20m2Potamogeton crispus planting area 15m2. The 3 ecological backflow wall plants are configured identically. Reeds, canna indica and calamus are planted at intervals in 1m of the 2 sides of the ecological purification pond. The width of the water outlet channel is 3m, the depth of the channel is 1m, and grass-leaved sweetflag rhizome and iris are planted at the edge of the channel. Plant buffer zones are arranged on the slopes of the diversion channel 1, the ecological purification pond 2 and the water outlet channel 3.
Example 2
The downstream of a certain branch river is converged into a basin main stream river channel 7, meanwhile, the water quality of the branch river is poor, COD is more than 100, BOD is more than 60, the water quality transparency is high, and part of aquatic plants are in the original branch river channel 7. A side ecological purification system 100 is arranged before the branch flows are merged into the main flow, so that the pollution of the branch flow water to the water quality of the main flow is reduced. The width of the diversion canal 1 is 6m, the depth of the canal is 0.8m, and the diversion water level is about 0.5 m; the width of the ecological purification pond 2 is about 20m, the depth of the pond is 1.5m, the maximum width is 40m, and the water level is 1.0 m; an adsorption filler filtering area 20 is arranged in the range of 4m at the front end of the ecological purification pond 2, 20A and B gabion units 22 are respectively and alternately arranged in the direction vertical to the water flow, 8 rows of gabion units are arranged in the direction of the water flow,the 2-layer gabion units are arranged in the vertical direction, and 320A gabion units 21 and 320B gabion units 22 are required. 2 underwater ecological backflow walls 23 are arranged in the middle of the ecological purification pond 2, and each section of the ecological purification pond is 3m in width and 3m in interval. The planting area of the submerged plant on each section of the return wall is 40m2The plants are selected from herba Swertiae Dilutae, Goldfish algae and curly pondweed, and the planting area of herba Swertiae Dilutae is 10m2The planting area of the golden carp algae is 20m2Potamogeton crispus planting area 10m2. The 2 ecological backflow wall plants are configured identically. Reeds, canna indica and calamus are planted at intervals in 1m of the 2 sides of the ecological purification pond. The width of the water outlet channel is 3m, the depth of the channel is 1m, and grass-leaved sweetflag rhizome and iris are planted at the edge of the channel. Plant buffer zones are arranged on the slopes of the diversion channel 1, the ecological purification pond 2 and the water outlet channel 3.
According to the ecological purification system 100 beside the river channel, waste ponds at the periphery of the river channel 7 are fully utilized, the water quality of the river channel 7 can be purified, meanwhile, aquatic plants are planted in the system in a matched mode, the landscape at the periphery of the river channel 7 can be improved, and the construction of the water environment and the water landscape of the river channel 7 is facilitated. By utilizing the principles of plant purification and microbial purification, the adsorption filler filtering area 20, the underwater ecological backflow wall 23 and the emergent aquatic plant planting area 6 are designed, and the water quality is purified by a green and ecological method without involving any chemical agent addition. Through the collection of the preposed garbage, the sedimentation of suspended matters, the microbial purification of the middle section, the purification of aquatic plants and the purification of emergent aquatic plants at the rear end, the COD removal rate is more than or equal to 60 percent, the BOD removal rate is more than or equal to 50 percent and the ammonia nitrogen removal rate is more than or equal to 40 percent.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides an ecological clean system of river course side, is including the inlet channel, the ecological pond and the ditch of purifying that communicate in proper order, and the river course water is introduced ecological pond of purifying by the inlet channel, and the river is discharged to former river course, its characterized in that by the ditch after purifying: the ecological purification pond is characterized in that the diversion canal is provided with an ecological permeable dam, an adsorption filler filtering area and an underwater ecological backflow wall are arranged in the ecological purification pond, a vegetation buffer zone is arranged at the edge of the diversion canal, emergent aquatic plant planting areas are arranged on the inner sides of the ecological purification pond and the water outlet canal, and the vegetation buffer zone is arranged on the outer side of the ecological purification pond and the water outlet canal.
2. The ecological purification system of riverway side according to claim 1, which is characterized in that: the river course is provided with a water passing dam, the water passing dam is higher than the normal water level by 0.5m, the water passing dam is selected from a rubber dam or an earth-rock dam, a plurality of side ecological purification systems are arranged beside the river course, and the side ecological purification systems are arranged in a multistage mode according to the current situations of the two sides of the river course to construct a water quality purification system and a river course landscape system.
3. The ecological purification system of riverway side according to claim 1, which is characterized in that: and (3) building a diversion canal outside 20m of the front end of the dam along the water flow direction, and diverting water to a side ecological purification system through the diversion canal, wherein the width of the diversion canal is 5-10 m.
4. The ecological purification system of riverway side according to claim 1, which is characterized in that: the ecological permeable dam consists of an iron net outer frame, rubbles and gravels, wherein the grid intervals of the iron net outer frame in a water-facing surface are 10 mm-10 mm, and the ecological permeable dam is used for blocking and collecting garbage on the water surface and removing partial suspended matters through physical sedimentation.
5. The ecological purification system of riverway side according to claim 4, wherein: the grid spacing of other surfaces of the iron net outer frame is 50mm x 50mm, the specifications of the rubble and the gravel are 80 mm-120 mm, and the water body is pretreated by utilizing the adsorption and sedimentation of the surface area of the gravel.
6. The ecological purification system of riverway side according to claim 1, which is characterized in that: the adsorption filler filtering area is arranged at the front end of the ecological purification pond and consists of an A gabion unit and a B gabion unit which are alternately linked;
the outer frame of the gabion unit A is a cube with 0.5m by 0.5m, the gabion mesh is made of the material, and the space between gabion meshes is 50 mm; gravel is filled inside, and the size of the gravel is 80-120 mm;
the outer frame of the gabion unit is a cube with 0.5m by 0.5m, the gabion mesh is made of the material, and the space between gabion meshes is 10 mm; the interior of the porous resin material is filled with volcanic rock and added with microbial agents, and the average particle size of the volcanic rock and the porous resin material is more than 20 mm; and soaking the porous resin material in the microbial agent solution for a period of time to fully fill the micro-pores of the resin with the microorganisms, and filling the combination of the porous resin material and the volcanic rock filler in a volume ratio of 1:2 into the gabion unit.
7. The ecological purification system of riverway side according to claim 6, wherein: the A gabion units and the B gabion units are alternately placed, the units are fixed by iron wires, and the adsorption filler filtering area is formed by piling and fixing according to the size of the ecological purification pond.
8. The ecological purification system of riverway side according to claim 1, which is characterized in that: the underwater ecological backflow wall is composed of one or more of eel grass, watermifoil algae, golden fish algae or water caltrop with a water quality purification function, the width of the ecological backflow wall is about 2-5 m, the ecological backflow wall is in an arc shape, plant planting is in a strip-shaped block planting mode, and one or more underwater ecological backflow walls are designed according to the size of an ecological purification pond and the water quality improvement requirement.
9. The ecological purification system of riverway side according to claim 1, which is characterized in that: planting emergent aquatic plants within the range of 1m beside the ecological purification pond, wherein the emergent aquatic plants are one or more of reed, calamus or canna; the vegetation buffer zone is paved with large gravels and small gravels, the large gravels are paved on the bottom layer, the vegetation is planted on the small gravels, the thickness of the large gravels is 10-20mm, the particle size is 15-30mm, the thickness of the small gravels is 5-10mm, and the particle size is 5-8 mm.
10. The ecological purification system of riverway side according to claim 1, which is characterized in that: an ecological floating island is arranged in the water outlet channel, the width of the water outlet channel is 5-10m, the water outlet channel side slope and the water inlet channel side slope are designed, a plant buffer zone is arranged, the water outlet channel side slope is planted with short emergent aquatic plants, the short emergent aquatic plants are one or more of acorus gramineus, calamus flavus, water celery, water bamboo or cattail, and the water quality is further purified.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726772A (en) * | 2021-01-07 | 2021-04-30 | 江苏龙腾工程设计股份有限公司 | Wet pond system for sponge city and method for purifying rainwater by using wet pond system |
| CN113735270A (en) * | 2021-08-26 | 2021-12-03 | 江苏龙腾工程设计股份有限公司 | Green low-carbon ecological water purification system for river bank |
| CN114656115A (en) * | 2022-04-25 | 2022-06-24 | 中交上海航道勘察设计研究院有限公司 | River channel ectopic rapid filtering method and system |
| CN114775507A (en) * | 2022-03-01 | 2022-07-22 | 李欣 | Yellow river beach ecological protection system and construction method thereof |
| CN114853176A (en) * | 2022-03-22 | 2022-08-05 | 海南大学 | Method for constructing ecosystem of rain source type river |
| CN117164100A (en) * | 2023-11-02 | 2023-12-05 | 日照城投环境科技集团有限公司 | Water treatment system and water treatment method for river entering sea |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112726772A (en) * | 2021-01-07 | 2021-04-30 | 江苏龙腾工程设计股份有限公司 | Wet pond system for sponge city and method for purifying rainwater by using wet pond system |
| CN113735270A (en) * | 2021-08-26 | 2021-12-03 | 江苏龙腾工程设计股份有限公司 | Green low-carbon ecological water purification system for river bank |
| CN114775507A (en) * | 2022-03-01 | 2022-07-22 | 李欣 | Yellow river beach ecological protection system and construction method thereof |
| CN114853176A (en) * | 2022-03-22 | 2022-08-05 | 海南大学 | Method for constructing ecosystem of rain source type river |
| CN114656115A (en) * | 2022-04-25 | 2022-06-24 | 中交上海航道勘察设计研究院有限公司 | River channel ectopic rapid filtering method and system |
| CN117164100A (en) * | 2023-11-02 | 2023-12-05 | 日照城投环境科技集团有限公司 | Water treatment system and water treatment method for river entering sea |
| CN117164100B (en) * | 2023-11-02 | 2024-01-26 | 日照城投环境科技集团有限公司 | Water treatment system and water treatment method for river entering sea |
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