CN110713313A - Ecological restoration dam for treating black and odorous water body in river channel - Google Patents
Ecological restoration dam for treating black and odorous water body in river channel Download PDFInfo
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- CN110713313A CN110713313A CN201910930678.2A CN201910930678A CN110713313A CN 110713313 A CN110713313 A CN 110713313A CN 201910930678 A CN201910930678 A CN 201910930678A CN 110713313 A CN110713313 A CN 110713313A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 138
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 7
- 239000010802 sludge Substances 0.000 claims description 7
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- 239000011574 phosphorus Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 3
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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
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
- C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention belongs to the field of water body remediation of black and odorous riverways, and particularly relates to an ecological water storage filtering dam suitable for remedying black and odorous river water in a small river basin. The ecological water storage filtering dam is a box culvert type water treatment device, the front section of the ecological water storage filtering dam comprises a thick grating, a thin grating and a gate, and the gate and the thick grating are positioned at front and back relative positions; the middle section comprises an anoxic bin and an anaerobic bin; the back section comprises an aerobic chamber and a water outlet. Different filter materials are respectively filled in the three bins, so that the sewage can be subjected to targeted treatment when passing through each layer of filler, and the treatment effect is improved. Meanwhile, in order to increase the stability of the dam body, a supporting column is arranged on the back water surface of the dam body. The device is arranged on the riverbed of the black and odorous water body treatment project, has the effects of removing ammonia nitrogen and phosphorus, increasing dissolved oxygen and the like, effectively improves the quality of water, and discharges the water after reaching the standard to the downstream through the water outlet.
Description
Technical Field
The invention relates to ecological restoration equipment, in particular to an ecological restoration dam for a small-flow river channel and application thereof, and belongs to the technical field of multiple sewage treatment.
Background
In northern China, most regions are in a dry state or a small water amount state in the time beyond the flood season of 7 and 8 months per year due to water resource shortage and less rainfall, the ecological food chain established in the river flow domain for a long time is damaged after the river is dried, the ecological balance of the river is influenced, and if the ecological restoration needs to be carried out for a long time until next water storage, the negative influence on small-flow river cities of cities or villages or ecological landscape areas caused by the dryness of the river is caused.
The urban and rural small-water-volume river water replenishing is mostly discharged and merged by surrounding resident water or factory water, the water volume is unstable, the contents of phosphorus and ammonia nitrogen are higher, the water quality is difficult to reach the standard, meanwhile, pits at the bottom of the river are uneven, a plurality of pits are easily formed, and the water slowly flows for a long time to cause the growth and accumulation of duckweeds. The water body flows slowly and foreign pollutants are gathered and accumulated for a long time to form a black and odorous pool, which causes certain harm influence on surrounding residents and living environment.
Aiming at the problem of water body pollution of small-flow riverways, pollution sources need to be comprehensively controlled, and the water body is treated while the pollution is intercepted by the pollution sources. At this moment, need carry out the retaining to the water in the river course, guarantee that rivers are stable unobstructed and reach certain water level and carry out physics or biological treatment measure again. The ecological filter dam is specially developed and equipped for the phenomenon, plays a role in water storage and filtration, and can improve the quality of water through a biological treatment means.
Disclosure of Invention
The invention provides an ecological restoration dam suitable for treating black and odorous water bodies in riverways.
The technical problem to be solved by the invention is as follows: in order to overcome the phenomenon of black and odorous water body caused by accumulation of sludge, duckweed and garbage generated by small flow of a river channel, the invention provides the ecological water storage filtering dam for treating water quality, which is simple in management and convenient to operate.
The technical scheme adopted by the invention for solving the technical problems is as follows: the front end of the ecological water storage filtering dam is provided with a device for intercepting large-scale floaters such as branches and water bottles in water, and the grating can intercept smaller sewage floaters. The dam body is a box-type assembly structure, and different fillers filled in the dam body can play different roles in filtering and treating the water body.
The ecological restoration dam comprises a thick-thin double-layer grating, a gate, three bins, a plurality of bin top covers, a dam body support and a foundation, wherein the box culvert structure is formed by combining cuboids; the three chambers are an anaerobic chamber, an anoxic chamber and an aerobic chamber in sequence in the direction far away from the gate, each chamber is communicated with each other, a flood discharge opening is formed in the top of the surface of the downstream side wall, a water outlet is further formed in the upper part of the downstream side wall of the aerobic chamber, and the height of the water outlet is lower than that of the flood discharge opening; the whole ecological restoration dam is arranged on a stable foundation, and a dam body supporting structure is arranged behind the bin body, so that the overall stability is improved.
Furthermore, the pretreatment section of the ecological restoration dam comprises a coarse and fine double-layer grating and a gate, wherein the gate is positioned on the downstream side, the coarse and fine grating is arranged on the upstream side relative to the gate, the coarse grating is arranged on the water facing side, and the fine grating is arranged behind the coarse grating; the sewage firstly passes through the coarse grating to intercept large floaters and then passes through the fine grating to intercept smaller floaters.
Furthermore, the coarse grids and the fine grids of the ecological water storage filtering dam are made of glass fiber reinforced plastic, namely fiber reinforced composite plastic. The fiber is classified into glass fiber reinforced composite plastic (GFRP), carbon fiber reinforced composite plastic (CFRP), boron fiber reinforced composite plastic, and the like according to the difference of the adopted fiber. The matrix is much lower in strength and modulus than the fibers, but can withstand large strains, tends to be viscoelastic and elastoplastic, and is a tough material. The aperture of the coarse grid is 50-100mm, the size is 1200 multiplied by 900 multiplied by 20mm, the aperture of the fine grid is 10-20mm, and the size is 1200 multiplied by 360 multiplied by 20 mm.
Further, sewage passing through the coarse and fine grids sequentially enters an anaerobic bin, an anoxic bin and an aerobic bin for treatment, the anaerobic bin is filled with large-particle-size zeolite filler, the anoxic bin is filled with small-particle-size volcanic filler, and the aerobic bin is filled with biofilm-forming filler; the anaerobic bin is provided with a water inlet near the coarse and fine grids, the bottom of the adjacent bin is provided with a communicating port, a submersible sewage pump is arranged in each bin and used for discharging sludge outwards, and an aeration device is arranged in the aerobic bin and connected with an aeration fan. The water outlet is arranged at the position of 60-80 cm of the last chamber, the treated water quality reaching the standard is discharged, and the overall connection mode of the chambers uses a rubber water stop structure.
Furthermore, the size range of the whole dam body of the carbon steel used by the bin is 10-15m long, 0.5-1.5m wide and 1-2m high, preferably 12m multiplied by 0.5m multiplied by 1.5m, the size of a single bin is preferably 4 multiplied by 0.5 multiplied by 1.5mm, the anaerobic bin is added with small-particle-size green zeolite, the diameter is about 3-5cm, volcanic rock filler with the particle size of about 5-8cm is added in the anoxic bin, and large-particle-size volcanic rock not only can play a role in filtering, but also is beneficial to contact biofilm formation and growth of microorganisms. The average porosity of volcanic rock inside and outside is about 40%, the resistance to water is small, and compared with the similar filter material, the filter material quantity required is small, and the expected filtering target can be achieved. Adding biological filler into the aerobic bin, treating the characteristics of biological biofilm formation, and using the soft filler to arrange in a row along the water flow direction when viewed from the cross section of the bin to fill the whole bin. The biological biofilm culturing method utilizes nutrient substances in water to provide nutrient substances for bacteria microorganisms, and elements such as nitrogen, phosphorus and the like in sewage are used as nitrogen sources and phosphorus sources of the microorganisms and are used as target removal objects.
Further, whole dam body formula structure as an organic whole or concatenation formula structure, adopt grafting or bolt-up connection's mode during the concatenation formula structure, the connection face between each bin adopts rubber waterproof construction, including the rubber sheet of connecting the face and the rubber stagnant water piece of storehouse body bottom position, the rubber sheet size accords with the height and the width of the storehouse body, and parallel placement is in two bin butt joint face departments, reserves the trompil of corresponding size in storehouse body intercommunication mouth department, and the corresponding grafting structure of grafting or the butt joint face of using the fixed two bins of carbon steel screw. The bottom of the whole bin adopts a U-shaped rubber water stop piece, and the U-shaped rubber water stop piece is placed between the bottom of the bin and a foundation, so that the main purpose of the U-shaped rubber water stop piece is to prevent the corners of the bottom of the bin from entering water.
Furthermore, the aeration equipment can be an aeration disk connected with an aeration fan or a centrifugal aerator, and the power of the selected aerator can be 1.5kW, and the air input is 22m3The oxygen filling amount is 1 kg/h. The aeration makes the aerobic box be in a sufficient oxygen state so as to facilitate the normal film attachment of the biological filler.
Further, the type of the submersible sewage pump adopts a flow rate of 10m3H, a lift of 10m, a power of 1kW, cast iron, a single main machine, a water outlet caliber of 50mm, an equipment size of 370 multiplied by 230 multiplied by 450mm, and a carbon steel base.
Furthermore, the number of the top covers of the bins of the dam body is 6, 2 cover plates are arranged above each bin, 2 cover plates of each bin adopt a fan blade opening and closing mode, the size of the cover plates is 2000 multiplied by 1000 multiplied by 50mm, and carbon steel anticorrosive materials are adopted. The distance between the three flood discharge openings and the bottom of the box is 70-100cm, and the width is about 10-30 cm. The supporting height of the steel plate dam body at the back of the dam body is about 30 cm.
Furthermore, ecological remediation dam still the supporting wisdom water affair system that is provided with bank side wisdom water affair management system can be the wisdom water affair system sold in the market, generally including detecting flow equipment, water quality testing equipment, intelligent analysis equipment, water treatment control platform, intelligent terminal service equipment for carry out filtration state control, equipment running state control can operate and information analysis and receiving and dispatching to the ecological remediation dam. The water quality monitoring device is characterized in that a pipeline opening is laid behind a coarse grid by a water pump, and sewage is lifted to enter a small detection water tank at the bottom of a special tank.
Furthermore, the signal transmission of the intelligent water affair system is established on the operation of a 4G module, and the intelligent analysis adopts a PLC module. The water quality result detected by the water quality monitoring probe is transmitted to the PLC module, and the result of detecting the water quality index can also be transmitted to the screen for field patrol personnel to observe and monitor. And then, analyzing according to a database imported in advance, giving an analysis result and a control operation suggestion, informing whether water treatment control and other operations are needed, and transmitting the analysis result to a user computer terminal or mobile equipment through a 4G signal transmitter.
The invention has the beneficial effects that:
1. aiming at the conditions that the existing small river channel is difficult to treat, the water circulation equipment arranged on the bank side has high maintenance cost, is inconvenient to use and the like, the ecological restoration dam can be directly arranged in the river channel or arranged in a narrow place of the river channel, similar dam bodies can be continuously arranged at the upstream and the downstream for serial use when the single dam body cannot achieve the expected effect, and the effect is better.
2. The bin provided by the invention is in modular combination, the type, the number and the sequence of each module can be adjusted according to needs, and customized combination design can be carried out according to different river channel water levels, different river channel widths and different sewage qualities, so that corresponding treatment schemes can be developed under different conditions. Meanwhile, due to the modular combination, the problem chamber can be independently repaired or replaced after the equipment fails (the spare chamber can be replaced to continue working during maintenance).
3. The ecological restoration dam can be connected with an intelligent water service system like other small-sized water treatment equipment, and the provided on-line water quality detection equipment, a flowmeter and the like can analyze and process the finished water flow and water quality data at regular time and transmit the data back to a computer or a mobile terminal through the intelligent water service system, so that managers can monitor the sewage treatment condition in real time, the effluent is guaranteed to be stable and reach the standard, and the effects of real-time monitoring and intelligent management are achieved.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Figure 3 is a schematic view of an anaerobic silo.
Figure 4 is a schematic view of an anoxic bin.
Fig. 5 is a schematic view of an aerobic silo.
Fig. 6 is a schematic view of a roof cover.
Detailed Description
In order to better understand the invention, the contents of the invention are further clarified below with reference to examples to embody the functions of the invention. However, the present invention is not limited to the following examples.
The embodiment provides an ecological restoration dam for treating black and odorous water in a river basin, the main body of the ecological restoration dam is a cuboid combined box culvert type structure and comprises a thick and thin double-layer grid 1, a gate 2, three chambers 4, 5, 6 and 12 chamber top covers 3, 6 dam body supports 9 and a foundation 10; the three chambers 4, 5 and 6 are an anaerobic chamber 4, an anoxic chamber 5 and an aerobic chamber 6 in sequence in the direction far away from the gate 2, each chamber is communicated with each other, a flood discharge opening 7 is formed in the top of the downstream side wall surface, a water outlet 8 is further formed in the upper part of the downstream side wall of the aerobic chamber 6, and the height of the water outlet 8 is lower than that of the flood discharge opening 7; the whole ecological restoration dam is arranged on a stable foundation 10, and a dam body supporting 9 structure is arranged behind the bin body, so that the overall stability is improved. The pretreatment section of the ecological restoration dam comprises a thick and thin double-layer grating 1 and a gate 2, wherein the gate 2 is positioned at the downstream side, the thick and thin grating 1 is arranged at the upstream side relative to the gate, the thick grating is arranged at the water facing side, and the thin grating is arranged behind the thick grating; the sewage firstly passes through the coarse grating to intercept large floaters, then passes through the fine grating to intercept smaller floaters, then enters the upstream side of the gate 2, and then enters the anaerobic bin 4 through the water inlet on the anaerobic bin to start water treatment. The sewage passing through the coarse and fine grids enters the anaerobic bin 4, the anoxic bin 5 and the aerobic bin 6 in sequence for treatment, and then is discharged from a water outlet at the back of the aerobic bin. The bottom of the adjacent bin is provided with a communicating opening, a submersible sewage pump is arranged in each bin and used for discharging sludge outwards, and an aeration device is arranged in the aerobic bin 6 and connected with an aeration fan. The water outlet is arranged at the position 60 cm higher than the back water side of the aerobic bin 6, and the treated water quality reaching the standard is discharged.
In the present embodiment, the coarse and fine grids of the ecological impounding filter dam are made of glass fiber reinforced composite plastic (GFRP). The aperture of the coarse grid is 50mm, the size is 1200 multiplied by 900 multiplied by 20mm, the aperture of the fine grid is 20mm, and the size is 1200 multiplied by 360 multiplied by 20 mm. The anaerobic chamber is added with small-particle-size green zeolite, the diameter of the small-particle-size green zeolite is about 3-5cm, volcanic filler with the particle size of about 5-8cm is added in the anaerobic chamber, the aerobic chamber 6 is filled with nylon fiber pigtail type filler, and the small-particle-size green zeolite is arranged in a row along the water flow direction from the cross section of the chamber and fills the whole chamber. The position that anaerobic chamber 4 is close to thick and thin grid is equipped with the water inlet, and adjacent bin bottom is provided with the intercommunication mouth, places a stealthily dirty pump in every bin and is used for outwards discharging mud, and mud pump connection mud discharge pipe says, and the pipeline export is placed in flood discharge mouth department, epitaxial 10 cm. An aeration device is arranged in the aerobic chamber 6 and is connected with an aeration fan. The water outlet is arranged at the position 80 cm higher than the last chamber, the treated water quality reaching the standard is discharged, and the overall connection mode of the chambers adopts a rubber water stop structure.
In this embodiment the dam body adopt carbon steel material, whole dam body size be long 15m, wide 1m, high 1.5m, three bin all be 4m long, gate department 3m long, anaerobic chamber and the adjacent wall upper portion in oxygen deficiency storehouse set up the intercommunicating pore, oxygen deficiency storehouse and the adjacent wall bottom in good oxygen storehouse set up the intercommunicating pore. The distance between the three flood discharge openings on the back surfaces of the three bin bodies and the bottom of the bin is 70cm, and the width of the three flood discharge openings is about 20 cm. The supporting height of the steel plate dam body at the back of the dam body is about 30 cm.
The dam body is the concatenation formula structure in this embodiment, adopts the mode of bolt-up connection during the concatenation formula structure, and the connection face between each bin adopts rubber waterproof construction, including the rubber piece of connecting the face and the rubber stagnant water piece of storehouse body bottom position, the rubber piece size accords with the height and the width of the storehouse body, and parallel placement is in two bin butt joint face departments, reserves the trompil of corresponding size in storehouse body intercommunication mouth department, uses the butt joint face of two bins of carbon steel screw fixation. The bottom of the whole bin adopts a U-shaped rubber water stop piece, the U-shaped rubber water stop piece is placed between the bottom of the bin and the foundation, the U-shaped rubber water stop piece is mainly used for preventing corners of the bottom of the bin from entering water, and fixing piles are arranged between the bin and the foundation for fixing.
The aeration equipment in the embodiment is a centrifugal aerator, the power of the aerator is 1.5kW, the depth of the tank is 1.5 meters, and the air inflow is 22m3The oxygen filling amount is 1 kg/h. The aeration machine provides aeration so that the interior of the aerobic tank is in a sufficient oxygen state, and the biological filler is convenient to attach to the membrane normally. The submersible sewage pump adopts the type with the flow rate of 10m3H, 10m of lift, 1kW of power, cast iron and single materialThe main machine has a water outlet aperture of 50mm, the equipment size of 370 multiplied by 230 multiplied by 450mm and a carbon steel base.
The number of the top covers 3 of the bin of the dam body is 6, 2 cover plates are arranged above each bin, 2 cover plates of each bin are opened and closed through fan blades, the size of each cover plate is 2000 multiplied by 1000 multiplied by 50mm, and carbon steel anticorrosive materials are adopted.
When the ecological restoration dam is used, upstream river water gathers at the upstream side of a dam body, enters from the thick and thin grids, sequentially passes through the thick and thin grids, a part of floaters and suspended matters are intercepted, the impurities are periodically salvaged by patrol personnel, the river water enters the upstream side of the gate 2, enters the anaerobic bin 4 through the water inlet for anaerobic treatment, enters the volcanic rock filler utilized by the anoxic bin for filtration and biological treatment, finally enters the aerobic bin for biomembrane treatment to remove a nitrogen source and a phosphorus source, and is left out from the water outlet at the back of the anaerobic bin after multiple filtration treatment. If the river flow is too high, the gate can be opened properly or the river can flow out from the flood discharge opening on the back of the chamber. When the sludge deposited on the upstream side of the dam body is excessive, the gate can be opened to discharge the silt.
In another embodiment, the ecological restoration dam is further provided with a bank intelligent water service management system, and the intelligent water service system may be a commercially available intelligent water service system, and generally includes a flow detection device, a water quality detection device, an intelligent analysis device, a water treatment control platform, and an intelligent terminal service device, which is used for performing filtration state monitoring, device operation state control and information analysis and transceiving on the ecological restoration dam. The water quality monitoring device is characterized in that a pipeline opening is laid behind a coarse grid by a water pump, and sewage is lifted to enter a small detection water tank at the bottom of a special tank. The current water quality condition is analyzed through intelligent analysis equipment to detect the water quality index result, whether need carry out other and add medicine and handle etc. the water quality index can be at wisdom water affairs system screen display to can send to user's mobile device through intelligent terminal equipment on.
In another embodiment, the signal transmission of the onshore intelligent water affair system is established on the 4G module operation, and the intelligent analysis is arranged on the PLC module. The water quality result detected by the water quality monitoring probe is transmitted to the PLC module, and the result of detecting the water quality index can also be transmitted to the screen for people to observe and monitor. Then, the analysis is carried out according to the database imported in advance, and the analysis result can be transmitted to the user mobile terminal through the 4G signal transmitter. The signal transmitting system comprises a wireless transmitter, a monitor for acquiring signals of the water quality monitoring sensor, a signal converter, a switch, a display and the like.
In another embodiment, the online water quality monitoring device comprises a temperature sensor, an ORP measuring instrument, a pH monitor and an ammonia nitrogen content detector, the aerobic bin water outlet 15 is connected with the bin by using a flange, an electromagnetic flowmeter is arranged on the water outlet pipe, data signals of the online water quality monitoring device and the electromagnetic flowmeter are firstly transmitted to the monitoring device of the electric control room, and then are transmitted back to the computer terminal or the mobile device terminal through the signal transmitter after signal conversion, so that the real-time monitoring of the sewage treatment condition by the terminal is realized.
The ecological restoration dam can be used for treating sewage of a small-flow river channel, and the length and the width of the ecological filter dam can be determined according to the conditions of the river channel water bank, the water quality and the like of a specific actual site. The form and the type of the filter material in the cabin can be determined according to the water quality pollution condition on the spot. The source of sewage from a typical river is domestic and rain water from surrounding inhabitants, and also plant drainage from upstream areas. Therefore, the sewage seeps into the ground in the runoff process to become a pollution source, and becomes one of hidden dangers which endanger the health of people. A plurality of dam bodies are arranged in the river channel to carry out water storage treatment while the source is controlled.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An ecological restoration dam for treating black and odorous water in a river basin is of a box culvert type structure with a cuboid combination, and comprises a thick and thin double-layer grid (1), a gate (2), three bins (4, 5 and 6), a plurality of bin top covers (3), a dam body support (9) and a foundation (10); the three chambers (4, 5 and 6) are an anaerobic chamber (4), an anoxic chamber (5) and an aerobic chamber (6) in sequence in the direction far away from the gate (2), each chamber is communicated with each other, a flood discharge opening (7) is formed in the top of the downstream side wall surface, a water outlet (8) is further formed in the upper part of the downstream side wall of the aerobic chamber (6), and the height of the water outlet (8) is lower than that of the flood discharge opening (7); the whole ecological restoration dam is arranged on a stable foundation (10), and a dam body support (9) is arranged behind the bin body, so that the overall stability is improved.
2. The ecological restoration dam according to claim 1, characterized in that the pretreatment section of the ecological restoration dam comprises a coarse and fine double-layer grating (1) and a gate (2), wherein the gate (2) is positioned at the downstream side, the coarse and fine grating (1) is arranged at the upstream side relative to the gate, the coarse grating is arranged at the water facing side, and the fine grating is arranged behind the coarse grating; the sewage firstly passes through the coarse grating to intercept large floaters and then passes through the fine grating to intercept smaller floaters.
3. The ecological restoration dam according to claim 1, characterized in that sewage passing through a coarse-fine grid sequentially enters an anaerobic bin (4), an anoxic bin (5) and an aerobic bin (6) for treatment, large-particle-size zeolite filler is filled in a bin of the anaerobic bin (4), small-particle-size volcanic filler is filled in the anoxic bin (5), and biofilm-forming filler is filled in the aerobic bin (6); the anaerobic chamber (4) is provided with a water inlet near the coarse and fine grids, the bottom of the adjacent chambers is provided with a communicating port, a submersible sewage pump is arranged in each chamber for discharging sludge outwards, and an aeration device is arranged in the aerobic chamber (6) and connected with an aeration fan.
4. The ecological restoration dam according to claim 1, characterized in that the whole dam body is of an integrated structure or a spliced structure, the spliced structure is connected in a plug-in or bolt fastening manner, the connection surface between the bins is of a rubber waterproof structure, the rubber waterproof structure comprises a rubber sheet connected with the connection surface and a rubber water stop at the bottom of the bin body, the size of the rubber sheet is consistent with the height and width of the bin body, the rubber sheet is parallelly placed at the butt joint of the two bins, an opening with a corresponding size is reserved at the position of the bin body connection opening, the corresponding plug-in structure is plugged in or the butt joint of the two bins is fixed by carbon steel screws, the bottom of the whole bin is of a U-shaped rubber water stop and is placed between the bottom of the bin body and a foundation, and the main purpose of the dam is to prevent.
5. The ecological remediation dam of claim 1, wherein: the three chambers have the same size and are made of carbon steel anticorrosive materials, wherein the anaerobic chamber (5) is filled with small-particle-size zeolite green with the diameter of 3-5cm, the volcanic rock filler in the anoxic chamber (4) has the particle size of 5-8cm, and the biofilm filler in the aerobic chamber (6) is braided soft filler and is arranged in a row on the cross section of the chambers to fill the whole chambers.
6. The ecological remediation dam of claim 3, wherein: the submersible sewage pump is connected with a sludge discharge pipeline, and an outlet of the sludge discharge pipeline is arranged at a flood discharge outlet and extends by 10 cm; the aerobic chamber (6) is provided with a centrifugal aerator.
7. The ecological restoration dam according to claim 1, characterized in that the number of the top covers (3) of the chambers of the dam body is 6, 2 cover plates are arranged above each chamber, 2 cover plates of each chamber are opened and closed by fan blades, and carbon steel anticorrosive material is adopted.
8. The ecological remediation dam of claim 1, wherein: flood discharge openings (7) are formed in the back water surfaces of the three chambers, the distance between the flood discharge openings and the bottom of the chamber is 70-100cm, the width of the flood discharge openings is 10-30cm, dam body supports (9) on the backs of the dam bodies are supported by steel plate base angle frames, and the height of the dam body supports is 30 cm.
9. The ecological remediation dam of claim 1, further comprising: ecological remediation dam still the supporting bank wisdom water affairs management system that is provided with specifically including detecting flow equipment, water quality testing equipment, intelligent analysis equipment, water treatment control platform, intelligent terminal service equipment for carry out filtration state control, equipment running state control can operation and information analysis and receiving and dispatching to the ecological remediation dam.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138048A (en) * | 2020-03-23 | 2020-05-12 | 北京贝特斯联合科技有限公司 | Intelligent river sewage treatment plant |
| CN111170465A (en) * | 2020-02-19 | 2020-05-19 | 中国科学院东北地理与农业生态研究所 | Floating water inlet folded plate rotary ecological dam |
| CN113087126A (en) * | 2021-03-31 | 2021-07-09 | 苏州飞驰环保科技股份有限公司 | Biological and ecological treatment method suitable for water bodies in different river water areas |
| CN113087307A (en) * | 2021-04-19 | 2021-07-09 | 苏州飞驰环保科技股份有限公司 | Treatment method suitable for biological and ecological purification of town sewage |
| CN113404007A (en) * | 2021-07-26 | 2021-09-17 | 北京丰润铭科贸有限责任公司 | Construction method of novel fast-assembly permanent dam |
| CN113716797A (en) * | 2021-08-23 | 2021-11-30 | 中国长江三峡集团有限公司 | In-situ purification system and method for mixed-drainage box culvert micro-polluted water body |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030013491A (en) * | 2003-01-10 | 2003-02-14 | 신성메디아 주식회사 | Sewage treatment system utilized bio-ball, bio-tank and lock-filter |
| CN1686863A (en) * | 2005-04-05 | 2005-10-26 | 太原理工大学 | Technique of biological treatment for wastewater of carbonization |
| CN102849904A (en) * | 2012-10-15 | 2013-01-02 | 中国科学院南京地理与湖泊研究所 | Method for reducing total phosphorus in polluted river |
| CN103466879A (en) * | 2013-08-23 | 2013-12-25 | 浙江工商大学 | In situ purification system for city channel water body |
| CN105565589A (en) * | 2015-12-14 | 2016-05-11 | 哈尔滨工业大学 | Built-in biochemical-ecological system based on in-river rainwater runoff purification river bank |
| CN107651751A (en) * | 2017-11-02 | 2018-02-02 | 中国水利水电科学研究院 | A kind of riverbank formula filtration system and method with water remediation function |
| CN212102441U (en) * | 2019-09-29 | 2020-12-08 | 北京邦源环保科技股份有限公司 | Ecological restoration dam for treating black and odorous water body in river channel |
-
2019
- 2019-09-29 CN CN201910930678.2A patent/CN110713313A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030013491A (en) * | 2003-01-10 | 2003-02-14 | 신성메디아 주식회사 | Sewage treatment system utilized bio-ball, bio-tank and lock-filter |
| CN1686863A (en) * | 2005-04-05 | 2005-10-26 | 太原理工大学 | Technique of biological treatment for wastewater of carbonization |
| CN102849904A (en) * | 2012-10-15 | 2013-01-02 | 中国科学院南京地理与湖泊研究所 | Method for reducing total phosphorus in polluted river |
| CN103466879A (en) * | 2013-08-23 | 2013-12-25 | 浙江工商大学 | In situ purification system for city channel water body |
| CN105565589A (en) * | 2015-12-14 | 2016-05-11 | 哈尔滨工业大学 | Built-in biochemical-ecological system based on in-river rainwater runoff purification river bank |
| CN107651751A (en) * | 2017-11-02 | 2018-02-02 | 中国水利水电科学研究院 | A kind of riverbank formula filtration system and method with water remediation function |
| CN212102441U (en) * | 2019-09-29 | 2020-12-08 | 北京邦源环保科技股份有限公司 | Ecological restoration dam for treating black and odorous water body in river channel |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170465A (en) * | 2020-02-19 | 2020-05-19 | 中国科学院东北地理与农业生态研究所 | Floating water inlet folded plate rotary ecological dam |
| CN111138048A (en) * | 2020-03-23 | 2020-05-12 | 北京贝特斯联合科技有限公司 | Intelligent river sewage treatment plant |
| CN113087126A (en) * | 2021-03-31 | 2021-07-09 | 苏州飞驰环保科技股份有限公司 | Biological and ecological treatment method suitable for water bodies in different river water areas |
| CN113087307A (en) * | 2021-04-19 | 2021-07-09 | 苏州飞驰环保科技股份有限公司 | Treatment method suitable for biological and ecological purification of town sewage |
| CN113404007A (en) * | 2021-07-26 | 2021-09-17 | 北京丰润铭科贸有限责任公司 | Construction method of novel fast-assembly permanent dam |
| CN113716797A (en) * | 2021-08-23 | 2021-11-30 | 中国长江三峡集团有限公司 | In-situ purification system and method for mixed-drainage box culvert micro-polluted water body |
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