CN107867781B - Lake water body purification device and treatment method thereof - Google Patents
Lake water body purification device and treatment method thereof Download PDFInfo
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- CN107867781B CN107867781B CN201711032091.7A CN201711032091A CN107867781B CN 107867781 B CN107867781 B CN 107867781B CN 201711032091 A CN201711032091 A CN 201711032091A CN 107867781 B CN107867781 B CN 107867781B
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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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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- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a lake water body purification device, which comprises a treatment tank, a disinfection tank and an ecological wetland, wherein the treatment tank comprises a first treatment area and a second treatment area which are sequentially arranged from left to right, the first treatment area comprises a filtering area and an oxygenation area, the second treatment area is internally provided with a biological filler device and a wavy adsorption layer, the disinfection tank is internally provided with a sprinkler and a stirring device, the ecological wetland comprises a first ecological wetland and a second ecological wetland, the bottom of the first ecological wetland is provided with a water collecting pipe, and the water collecting pipe is communicated with the second ecological wetland, and the treatment method comprises the following steps: (1) primary treatment of sewage; (2) disinfecting sewage; (3) ecological treatment of sludge; (4) and (5) cleaning at the later stage. The sewage treatment device is simple in structure and high in practicability, firstly impurity particles in sewage are removed by the treatment tank, then germs in the sewage are killed by the disinfection tank, and finally the sewage is subjected to ecological treatment by the ecological wetland, so that the quality of the treated sewage is better, and the water body is clearer.
Description
Technical Field
The invention relates to a lake water body purification device and a treatment method thereof.
Background
In the formation and development of cities, lakes are used as important resources and environmental carriers, which are related to urban survival, restrict urban development and are important factors influencing urban style and beautifying urban environment. Urban rivers and lakes have various ecological functions of supplying water sources, providing greenbelts, protecting the environment, carrying traffic, cultural education and the like, and show irreplaceable significance in the aspects of urban construction and urban space development expansion. With the acceleration of urbanization pace in China, land on both sides of rivers is developed and utilized, functions of urban rivers and lakes are damaged, and a large amount of industrial and domestic sewage is directly discharged into rivers without being treated, so that lake water pollution, water quality deterioration and river ecological environment destruction are caused. Along with the development of economy and the improvement of environmental awareness of people, people pay more and more attention to the treatment of water bodies. The existing water body purification treatment device has the disadvantages of large volume, high cost, complex actual operation and inconvenience for later maintenance and cleaning; the burden of device is great, causes overload work easily, and the life-span is shorter when leading to the device, needs frequent maintenance, and later maintenance's is with high costs, and the flow of handling is less, only through the processing of one or twice, and the processing time is shorter, leads to the treatment effect not good.
Disclosure of Invention
The invention aims to provide a technical scheme of a lake water body purification device aiming at the defects in the prior art, firstly, impurity particles in sewage are removed by a treatment tank, then, germs in the sewage are killed by a disinfection tank, and finally, the sewage is subjected to ecological treatment by an ecological wetland, so that the treated sewage has better quality, a water body is clearer, and the overall structural design is more reasonable.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a lake water purifier, is linked together its characterized in that through the conveyer pipe including handling pond, disinfection pond and ecological wetland between handling pond, disinfection pond and the ecological wetland: the left side below of treatment tank is provided with the water inlet, include first treatment zone and the second treatment zone that sets gradually from left to right in the treatment tank, include filtering area and oxygenation district in the first treatment zone, be provided with filter screen in the filtering area, be provided with the ladder in the oxygenation district, be provided with biofilm carrier device and wavy adsorbed layer in the second treatment zone, wavy adsorbed layer is located the below of biofilm carrier device, the top of disinfection pond is provided with the medicament import, be provided with sprinkler and agitating unit in the disinfection pond, ecological wetland includes first ecological wetland and second ecological wetland, all be provided with the silt export on the preceding terminal surface of first ecological wetland and second ecological wetland, the bottom of first ecological wetland is provided with the collector pipe, the collector pipe communicates with each other with second ecological wetland, be provided with the water-stop wall between second ecological wetland and the cistern, second ecological wetland communicates with each other with the cistern through delivery pipe.
Furthermore, the filtering area is communicated with the oxygen increasing area through a connecting pipe, the second processing area is communicated with the first processing area through a connecting pipe, and the connecting pipe can facilitate the communication between the filtering area and the oxygen increasing area as well as between the second processing area and the first processing area, so that the continuous treatment of sewage is realized.
Further, the biofilm carrier device includes first micropore board and second micropore board, it has the microorganism filler all to fill on first micropore board and the second micropore board, be connected through linking bridge between first micropore board and the second micropore board, the setting of microorganism filler can be convenient for in the design of first micropore board and second micropore board, and through the dual processing of both sides microorganism filler, make the quality of water after handling better, the design of linking bridge can make the installation of whole biofilm carrier device firm more reliable, reduce the incidence of accident.
Further, first ecological wetland and second ecological wetland all include aquatic plant and wetland basic unit, the wetland basic unit includes from the last clay layer that down sets gradually, the gravel layer and the antiseep layer, the clay layer, the design on gravel layer and gravel layer accords with the basic needs that ecological wetland planted aquatic plant, be favorable to the growth of plant, the treatment effect of sewage has been improved, the design on antiseep layer, the sewage that can effectively prevent not totally processed flows to the underground, pollute water resource and soil in the underground, ecological environment has been protected.
Furthermore, a drop plate is arranged in the reservoir, the drop plate is arranged in a staggered manner from left to right, cobbles are arranged in the drop plate, the oxygen content of water can be increased through the drop plate due to the design of the drop plate, the odor of the water is effectively inhibited, the transparency and the water quality of the water are improved, the sewage treatment effect is better, the oxygen content in the water is further increased due to the design of the cobbles in the drop plate, and the effect of the drop plate is more obvious.
Further, agitating unit includes (mixing) shaft and stirring rake, and stirring rake fixed mounting is on the (mixing) shaft, and the (mixing) shaft passes through mounting panel fixed mounting on the inner wall in disinfection pond, and (mixing) shaft and stirring rake can mix the stirring to disinfectant and sewage, have further improved the drug effect for the disinfection processing speed of sewage is better.
Further, the sprinkler includes bin and sprinkler head, and the bin communicates with each other with the medicament import, and the bin can be with disinfectant in the storage box of prestoring, and design ingenious more reasonable, when sewage entered into the disinfection pond, the sprinkler head directly sprayed the disinfectant of prestoring in the storage box to the disinfection pond in, shortened the contact time of sewage and disinfectant for the disinfection rate of sewage.
The treatment method adopting the lake water body purification device is characterized by comprising the following steps: the method comprises the following steps:
1) primary treatment of sewage:
(1) the sewage enters the treatment tank from a water inlet of the treatment tank, firstly enters the first treatment area, is filtered by the filter screen to remove suspended substances and particle impurities in the sewage, prevents impurity particles from blocking a pipeline and influencing the actual treatment speed of the sewage, and enters the oxygen increasing area from the connecting pipe after being treated by the filter screen, so that the flowing performance of the sewage is effectively increased and the dissolved oxygen of a water body is improved through the step oxygen increasing treatment, and the treated sewage is clearer;
(2) the sewage treated by the first treatment area enters the second treatment area, the content of ammonia nitrogen in the sewage is effectively removed through the treatment of the biological filler device, the growth and the proliferation of microorganisms in the sewage are facilitated, and the self-cleaning capacity of the sewage is improved;
2) and (3) sewage disinfection treatment:
the sewage treated by the treatment tank enters the disinfection tank through the conveying pipe, and the disinfectant is stored in the storage tank before the sewage is conveyed to the disinfection tank, and is sprayed into the disinfection tank through the spraying head when entering the disinfection tank to disinfect the sewage, and the sewage is stirred and mixed through the stirring device, so that the sewage is fully contacted with the disinfectant, and the working speed of the disinfection tank is effectively improved;
3) ecological treatment of sludge:
(1) the sewage treated by the disinfection tank enters the ecological wetland through the conveying pipe, and is better treated through double treatment of the first ecological wetland and the second ecological wetland, the sewage is firstly treated by aquatic plants and a wetland base layer in the first ecological wetland and then enters the second ecological wetland from a water collecting pipe at the bottom, and is further treated by the second ecological wetland, so that the water quality is better, residual particles in the sewage are removed, the water body is clearer, and the sewage enters the water storage tank through the discharge pipe;
(2) the sewage enters the water storage tank, through the design of the water dropping plates which are arranged in a left-right staggered mode, the oxygen content of the water is effectively increased, the odor of a water body is inhibited, the transparency and the water quality of the water are improved, the effect of the sewage after treatment is better, the contact area of the sewage and the water dropping plates is further increased through the action of cobblestones in the water dropping plates, the action of the water dropping plates is more obvious, and finally the treated water is discharged from the water storage tank;
4) and (3) later-stage cleaning:
and the interiors of the treatment tank, the disinfection tank and the ecological wetland are maintained and cleaned regularly.
Further, in the step (1) of the step 3), sludge in the first ecological wetland and the second ecological wetland is treated through the sludge outlet periodically, so that the treatment rate of subsequent sewage is ensured, the recycling of the ecological wetland is realized, the collapse of an ecological wetland system caused by sludge blockage is avoided, and the service life of the ecological wetland is prolonged.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the invention, firstly, impurity particles and the like in sewage are removed through the first treatment area in the treatment tank, meanwhile, the content of dissolved oxygen in the sewage is increased through steps, the flowing property of the sewage is improved, then, the sewage is subjected to microbial treatment through the second treatment area, the water quality after the sewage treatment is better, the self-purification capacity of the sewage is improved, then, the sewage is subjected to the disinfection effect of the disinfection tank, harmful substances, germs and the like in the sewage are killed, the treated water quality is further improved, then, the sewage is subjected to double treatment through the first ecological wetland and the second ecological wetland, the water quality after the sewage treatment is clearer, peculiar smell in the sewage is effectively removed, and finally, the sewage is discharged through the water dropping effect of the reservoir.
The sewage treatment device is simple in structure and high in practicability, firstly impurity particles in sewage are removed by the treatment tank, then germs in the sewage are killed by the disinfection tank, and finally the sewage is subjected to ecological treatment by the ecological wetland, so that the quality of the treated sewage is better, the water body is clearer, and the overall structural design is more reasonable.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a lake water body purification device of the present invention;
FIG. 2 is a view showing the internal structure of a treatment tank in the present invention;
FIG. 3 is a view showing the internal structure of a sterilizing bath according to the present invention;
fig. 4 is a schematic structural view of the ecological wetland in the invention.
In the figure: 1-a treatment tank; 2-a disinfection tank 2; 3-conveying pipe; 4-a water inlet; 5-a first treatment zone; 6-a second treatment zone; 7-a filtration zone; 8-an oxygenation zone; 9-a filter screen; 10-step; 11-a bio-filler device; 12-a corrugated adsorbent layer; 13-an agent inlet; 14-a sprinkler; 15-first ecological wetland; 16-a second ecological wetland; 17-a sludge outlet; 18-a water collecting pipe; 19-a water-stop wall; 20-a discharge pipe; 21-connecting pipe; 22-a first microplate; 23-a second microplate; 24-microbial filler; 25-connecting the stent; 26-aquatic plants; 27-clay layer; 28-a gravel layer; 29-a crushed stone layer; 30-an anti-leakage layer; 31-drop plate; 32-cobblestones; 33-a stirring shaft; 34-a stirring paddle; 35-a mounting plate; 36-a storage tank; 37-a sprinkler head; 38-wetland base layer; 39-water reservoir.
Detailed Description
As shown in fig. 1 to 4, the lake water body purification device of the present invention comprises a treatment tank 1, a disinfection tank 2 and an ecological wetland, wherein the treatment tank 1, the disinfection tank 2 and the ecological wetland are communicated with each other through a delivery pipe 3, a water inlet 4 is arranged below the left side of the treatment tank 1, the treatment tank 1 comprises a first treatment area 5 and a second treatment area 6 which are sequentially arranged from left to right, the first treatment area 5 comprises a filtration area 7 and an oxygenation area 8, the filtration area 7 is communicated with the oxygenation area 8 through a connection pipe 21, the second treatment area 6 is communicated with the first treatment area 5 through a connection pipe 21, the connection pipe 21 can facilitate the communication between the filtration area 7 and the oxygenation area 8, the second treatment area 6 and the first treatment area 5, thereby realizing the continuous treatment of sewage, the design is reasonable, the use is convenient, a filtration screen 9 is arranged in the filtration area 7, a step 10 is arranged in the oxygenation area 8, the second treatment area 6 is internally provided with a biological filler device 11 and a wavy adsorption layer 12, the biological filler device 11 comprises a first microporous plate 22 and a second microporous plate 23, the first microporous plate 22 and the second microporous plate 23 are both filled with microbial fillers 24, the first microporous plate 22 and the second microporous plate 23 are connected through a connecting bracket 25, the first microporous plate 22 and the second microporous plate 23 can be conveniently arranged with the microbial fillers 24, and the treated water quality is better through double treatment of the microbial fillers 24 on two sides, the whole biological filler device 11 can be more firmly and reliably installed through the design of the connecting bracket 25, the accident occurrence rate is reduced, the wavy adsorption layer 12 is positioned below the biological filler device 11, the top of the disinfection tank 2 is provided with a medicament inlet 13, the disinfection tank 2 is internally provided with a sprinkler 14 and a stirring device, the sprinkler 14 comprises a storage tank 36 and a sprinkler head 37, the storage box 36 is communicated with the agent inlet 13, the storage box 36 can pre-store the disinfectant in the storage box 36 in advance, the design is more ingenious and reasonable, when sewage enters the disinfection tank 2, the sprinkler 37 directly sprays the disinfectant pre-stored in the storage box 36 into the disinfection tank 2, the contact time of the sewage and the disinfectant is shortened, the disinfection speed of the sewage is accelerated, the stirring device comprises a stirring shaft 33 and a stirring paddle 34, the stirring paddle 34 is fixedly arranged on the stirring shaft 33, the stirring shaft 33 is fixedly arranged on the inner wall of the disinfection tank 2 through a mounting plate 35, the stirring shaft 33 and the stirring paddle 34 can mix and stir the disinfectant and the sewage, the pesticide effect is further improved, the disinfection treatment speed of the sewage is better, the ecological wetland comprises a first ecological wetland 15 and a second ecological wetland 16, the first ecological wetland 15 and the second ecological wetland 16 both comprise an aquatic plant 26 and a wetland base layer 38, the wetland base layer 38 comprises a clay layer 27, a gravel layer 28, a gravel layer 29 and an anti-seepage layer 30 which are arranged from top to bottom in sequence, the design of the clay layer 27, the gravel layer 28 and the gravel layer 29 meets the basic requirement of planting aquatic plants 26 in the ecological wetland, which is beneficial to the growth of plants and improves the treatment effect of sewage, the design of the anti-seepage layer 30 can effectively prevent sewage which is not completely treated from flowing underground to pollute underground water resources and soil, thereby protecting the ecological environment, the front end surfaces of the first ecological wetland 15 and the second ecological wetland 16 are both provided with a sludge outlet 17, the bottom of the first ecological wetland 15 is provided with a water collecting pipe 18, the water collecting pipe 18 is communicated with the second ecological wetland 16, a water-resisting wall 19 is arranged between the second ecological wetland 16 and a reservoir 39, the second ecological wetland 16 is communicated with the reservoir 39 through a discharge pipe 20, a water dropping plate 31 is arranged in the reservoir 39, the drop plate 31 is arranged in a staggered mode from left to right, the cobblestones 32 are arranged in the drop plate 31, the oxygen content of water can be increased through the drop plate 31 due to the design of the drop plate 31, the odor of the water is effectively inhibited, the transparency and the water quality of the water are improved, the sewage treatment effect is better, the oxygen content of the water is further increased due to the design of the cobblestones 32 in the drop plate 31, and the effect of the drop plate 31 is more obvious.
According to the invention, firstly, impurity particles and the like in sewage are removed through the first treatment area in the treatment tank, meanwhile, the content of dissolved oxygen in the sewage is increased through steps, the flowing property of the sewage is improved, then, the sewage is subjected to microbial treatment through the second treatment area, the water quality after the sewage treatment is better, the self-purification capacity of the sewage is improved, then, the sewage is subjected to the disinfection effect of the disinfection tank, harmful substances, germs and the like in the sewage are killed, the treated water quality is further improved, then, the sewage is subjected to double treatment through the first ecological wetland and the second ecological wetland, the water quality after the sewage treatment is clearer, peculiar smell in the sewage is effectively removed, and finally, the sewage is discharged through the water dropping effect of the reservoir.
The sewage treatment device is simple in structure and high in practicability, firstly impurity particles in sewage are removed by the treatment tank, then germs in the sewage are killed by the disinfection tank, and finally the sewage is subjected to ecological treatment by the ecological wetland, so that the quality of the treated sewage is better, the water body is clearer, and the overall structural design is more reasonable.
The treatment method adopting the lake water body purification device comprises the following steps:
1) primary treatment of sewage:
(1) the sewage enters the treatment tank from a water inlet of the treatment tank, firstly enters the first treatment area, is filtered by the filter screen to remove suspended substances and particle impurities in the sewage, prevents impurity particles from blocking a pipeline and influencing the actual treatment speed of the sewage, and enters the oxygen increasing area from the connecting pipe after being treated by the filter screen, so that the flowing performance of the sewage is effectively increased and the dissolved oxygen of a water body is improved through the step oxygen increasing treatment, and the treated sewage is clearer;
(2) the sewage treated by the first treatment area enters the second treatment area, the content of ammonia nitrogen in the sewage is effectively removed through the treatment of the biological filler device, the growth and the proliferation of microorganisms in the sewage are facilitated, and the self-cleaning capacity of the sewage is improved;
2) and (3) sewage disinfection treatment:
the sewage treated by the treatment tank enters the disinfection tank through the conveying pipe, and the disinfectant is stored in the storage tank before the sewage is conveyed to the disinfection tank, and is sprayed into the disinfection tank through the spraying head when entering the disinfection tank to disinfect the sewage, and the sewage is stirred and mixed through the stirring device, so that the sewage is fully contacted with the disinfectant, and the working speed of the disinfection tank is effectively improved;
3) ecological treatment of sludge:
(1) the sewage treated by the disinfection tank enters the ecological wetland through the conveying pipe, and is subjected to double treatment of the first ecological wetland and the second ecological wetland, so that the sewage is better treated, the sewage is firstly treated by aquatic plants and a wetland base layer in the first ecological wetland, then enters the second ecological wetland from a water collecting pipe at the bottom, is further treated by the second ecological wetland, so that the water quality is better, residual particles in the sewage are removed, the water body is clearer, the sewage enters the water storage tank through the discharging pipe, and sludge in the first ecological wetland and the second ecological wetland is treated through a sludge outlet periodically, so that the treatment rate of the subsequent sewage is ensured, the cyclic utilization of the ecological wetland is realized, the sludge blockage is avoided, the collapse of an ecological wetland system is caused, and the service life of the ecological wetland is prolonged;
(2) the sewage enters the water storage tank, through the design of the water dropping plates which are arranged in a left-right staggered mode, the oxygen content of the water is effectively increased, the odor of a water body is inhibited, the transparency and the water quality of the water are improved, the effect of the sewage after treatment is better, the contact area of the sewage and the water dropping plates is further increased through the action of cobblestones in the water dropping plates, the action of the water dropping plates is more obvious, and finally the treated water is discharged from the water storage tank;
4) and (3) later-stage cleaning:
and the interiors of the treatment tank, the disinfection tank and the ecological wetland are maintained and cleaned regularly.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (6)
1. The utility model provides a lake water purifier, is including handling the pond, disinfecting pond and ecological wetland, the processing pond the disinfecting pond with be linked together its characterized in that through the conveyer pipe between the ecological wetland: a water inlet is arranged below the left side of the treatment tank, a first treatment area and a second treatment area are sequentially arranged in the treatment tank from left to right, the first treatment area comprises a filtering area and an oxygenation area, a filtering screen is arranged in the filtering area, a step is arranged in the oxygenation area, a biological filler device and a corrugated adsorption layer are arranged in the second treatment area, the biological filler device comprises a first microporous plate and a second microporous plate, microbial fillers are filled in the first microporous plate and the second microporous plate, the first microporous plate and the second microporous plate are connected through a connecting support, the corrugated adsorption layer is positioned below the biological filler device, a medicament inlet is arranged at the top of the disinfection tank, a sprinkler and a stirring device are arranged in the disinfection tank, and the ecological wetland comprises a first ecological wetland and a second ecological wetland, first ecological wetland with all be provided with the silt export on the preceding terminal surface of second ecological wetland, the bottom of first ecological wetland is provided with the collector pipe, the collector pipe with the second ecological wetland communicates with each other, be provided with the water-stop wall between second ecological wetland and the cistern, the second ecological wetland pass through the delivery pipe with the cistern communicates with each other, be provided with the drop board in the cistern, the setting of misplacing about the drop board, be provided with the cobblestone in the drop board.
2. The lake water body purification device of claim 1, wherein: the filtering area is communicated with the oxygenation area through a connecting pipe, and the second processing area is communicated with the first processing area through the connecting pipe.
3. The lake water body purification device of claim 1, wherein: the first ecological wetland and the second ecological wetland both comprise aquatic plants and a wetland base layer, and the wetland base layer comprises a clay layer, a gravel layer and an anti-leakage layer which are sequentially arranged from top to bottom.
4. The lake water body purification device of claim 1, wherein: the stirring device comprises a stirring shaft and a stirring paddle, wherein the stirring paddle is fixedly arranged on the stirring shaft, and the stirring shaft is fixedly arranged on the inner wall of the disinfection tank through a mounting plate.
5. The lake water body purification device of claim 1, wherein: the sprayer comprises a storage box and a spraying head, and the storage box is communicated with the medicament inlet.
6. The treatment method of the lake water body purification device as claimed in claim 1, which is characterized by comprising the following steps:
1) primary treatment of sewage:
(1) the sewage enters the treatment tank from a water inlet of the treatment tank, firstly enters the first treatment area, is filtered by the filter screen to remove suspended substances and particle impurities in the sewage, prevents impurity particles from blocking a pipeline and influencing the actual treatment speed of the sewage, and enters the oxygen increasing area from the connecting pipe after being treated by the filter screen, so that the flowing performance of the sewage is effectively increased and the dissolved oxygen of a water body is improved through the step oxygen increasing treatment, and the treated sewage is clearer;
(2) the sewage treated by the first treatment area enters the second treatment area, the content of ammonia nitrogen in the sewage is effectively removed through the treatment of the biological filler device, the growth and the proliferation of microorganisms in the sewage are facilitated, and the self-cleaning capacity of the sewage is improved;
2) and (3) sewage disinfection treatment:
the sewage treated by the treatment tank enters the disinfection tank through the conveying pipe, and the disinfectant is stored in the storage tank before the sewage is conveyed to the disinfection tank, and is sprayed into the disinfection tank through the spraying head when entering the disinfection tank to disinfect the sewage, and the sewage is stirred and mixed through the stirring device, so that the sewage is fully contacted with the disinfectant, and the working speed of the disinfection tank is effectively improved;
3) ecological treatment of sludge:
(1) the sewage treated by the disinfection tank enters the ecological wetland through the conveying pipe, and is better treated through double treatment of the first ecological wetland and the second ecological wetland, the sewage is firstly treated by aquatic plants and a wetland base layer in the first ecological wetland, then enters the second ecological wetland from a water collecting pipe at the bottom, is further treated by the second ecological wetland, so that the water quality is better, residual particles in the sewage are removed, the water body is clearer, and then enters the water storage tank through the discharging pipe, and sludge in the first ecological wetland and the second ecological wetland is treated through a sludge outlet periodically, so that the treatment rate of the subsequent sewage is ensured, the cyclic utilization of the ecological wetland is realized, and the sludge blockage is avoided, so that the collapse of an ecological wetland system is caused;
(2) the sewage enters the water storage tank, through the design of the water dropping plates which are arranged in a left-right staggered mode, the oxygen content of the water is effectively increased, the odor of a water body is inhibited, the transparency and the water quality of the water are improved, the effect of the sewage after treatment is better, the contact area of the sewage and the water dropping plates is further increased through the action of cobblestones in the water dropping plates, the action of the water dropping plates is more obvious, and finally the treated water is discharged from the water storage tank;
4) and (3) later-stage cleaning:
and the interiors of the treatment tank, the disinfection tank and the ecological wetland are maintained and cleaned regularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711032091.7A CN107867781B (en) | 2017-10-30 | 2017-10-30 | Lake water body purification device and treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711032091.7A CN107867781B (en) | 2017-10-30 | 2017-10-30 | Lake water body purification device and treatment method thereof |
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| CN107867781A CN107867781A (en) | 2018-04-03 |
| CN107867781B true CN107867781B (en) | 2020-05-29 |
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| WO2003042114A1 (en) * | 2001-11-14 | 2003-05-22 | Dharma Living Systems, Inc. | Integrated hydroponic and fixed-film wastewater treatment systems and associated methods |
| CN101824811A (en) * | 2010-04-15 | 2010-09-08 | 河海大学 | Multi-stage water power aerobic ecological wetland type slope protection device |
| KR101179566B1 (en) * | 2011-08-19 | 2012-09-05 | 아름다운 환경건설(주) | System for treating nonpoint pollution source and supplying river maintenence water using damp ground |
| CN106380031B (en) * | 2016-09-23 | 2020-11-03 | 浙江水利水电学院 | Aeration oxygenation type lake water body purification method |
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