WO2021208445A1 - 城市雨水智能处理装置及分析系统 - Google Patents

城市雨水智能处理装置及分析系统 Download PDF

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Publication number
WO2021208445A1
WO2021208445A1 PCT/CN2020/131971 CN2020131971W WO2021208445A1 WO 2021208445 A1 WO2021208445 A1 WO 2021208445A1 CN 2020131971 W CN2020131971 W CN 2020131971W WO 2021208445 A1 WO2021208445 A1 WO 2021208445A1
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WIPO (PCT)
Prior art keywords
rainwater
sedimentation tank
tank
heavy metal
urban
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PCT/CN2020/131971
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English (en)
French (fr)
Inventor
翟俊
李泽文
崔子杨
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Suzhou University
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Suzhou University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101Dedicated additional structures, interposed or parallel to the sewer system
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01WMETEOROLOGY
    • G01W1/00Meteorology
    • G01W1/14Rainfall or precipitation gauges
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001Runoff or storm water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/42Liquid level
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Definitions

  • the invention relates to the technical field of sewage treatment and utilization, in particular to an urban rainwater intelligent treatment and analysis system.
  • the purpose of the present invention is to solve the shortcomings in the prior art, and proposes an urban rainwater treatment analysis system, which realizes the hydrological analysis and calculation in the environmental protection rainwater planning, and completes the judgment of whether the rainwater and sewage source control facilities included in the design can be Meet the important steps of total runoff detection and control, and avoid the lack of professional background knowledge in the process of rainwater and sewage total detection and control, resulting in insufficient rainwater and sewage total treatment and detection control in the environmental protection rainwater planning and design process.
  • the invention has strong convenience, high efficiency and accuracy.
  • the rainwater can obtain the sewage runoff coefficient in the design site through simple calculation, and the rainwater and sewage source control facilities can be modified to detect the total quantity of rainwater and sewage to control the quality.
  • Complete environmental protection rainwater planning and design is to solve the shortcomings in the prior art, and proposes an urban rainwater treatment analysis system, which realizes the hydrological analysis and calculation in the environmental protection rainwater planning, and completes the judgment of whether the rainwater and sewage source control facilities included
  • an urban rainwater intelligent treatment device including green plant layers, soil and rainwater pipes, reservoirs, primary sedimentation tanks, secondary sedimentation tanks, heavy metal sedimentation tanks, organic matter Degradation tank; one end of the rainwater pipeline is connected with the secondary sedimentation tank, and the other end is connected with the heavy metal sedimentation tank; the reservoir, the primary sedimentation tank, and the secondary sedimentation tank are connected in sequence; the heavy metal sedimentation tank and the organic matter degradation tank Connected sequentially; the first-level sedimentation tank is provided with a microbial adsorption film, the second-level sedimentation tank is provided with a sterilization device, the reservoir is provided with a filter plate for small particles, and the heavy metal sedimentation tank is provided with a flocculant to degrade organic matter
  • the pool is equipped with a photocatalyst; the sterilization device includes ultraviolet sterilization equipment and chemical sterilization equipment; the chemical sterilization equipment is composed of a release structure and a fungicide located in the release structure;
  • An intelligent urban rainwater treatment and analysis system including green plant layers, soil and rainwater pipelines, reservoirs, primary sedimentation tanks, secondary sedimentation tanks, heavy metal sedimentation tanks, organic matter degradation tanks, and storage tanks; one end of the rainwater pipeline It is connected to the secondary sedimentation tank, and the other end is connected to the heavy metal sedimentation tank; the reservoir, the primary sedimentation tank, and the secondary sedimentation tank are connected in sequence; the heavy metal sedimentation tank and the organic matter degradation tank are connected in sequence; the organic matter degradation tank Connected with the storage tank; the first-level sedimentation tank is provided with a microbial adsorption membrane, the second-level sedimentation tank is provided with a sterilization device, the reservoir is provided with a fine particle filter plate, and the heavy metal sedimentation tank is provided with a flocculant ,
  • the organic matter degradation tank is equipped with a photocatalyst; the secondary sedimentation tank is equipped with a sewage volume detection sensor; the storage tank is equipped with a pure water volume detection sensor; the sterilization device includes ultraviolet sterilization
  • the method for processing urban domestic sewage and rainwater by using the above-mentioned urban rainwater intelligent processing device includes the following steps.
  • the method of using the above-mentioned urban rainwater intelligent processing analysis system to process urban domestic sewage, rainwater and calculating the amount of rainwater includes the following steps.
  • the urban domestic sewage After the urban domestic sewage is injected into the reservoir, it passes through the primary sedimentation tank and the secondary sedimentation tank; the sewage volume detection sensor is used to obtain the sewage volume in the secondary sedimentation tank; then the water in the secondary sedimentation tank is injected through the rainwater pipeline Heavy metal sedimentation tank.
  • the net water quantity detection sensor is used to obtain the net water quantity in the storage tank; the net water quantity subtracts the sewage quantity to obtain the rainwater quantity.
  • the urban rainwater intelligent treatment device further includes a storage tank, a second pipe, and a wick tube; the organic matter degradation tank is connected to the storage tank; the storage tank is provided with a municipal pipeline connection end; the first The second pipe is connected to the storage tank; one end of the wick tube is connected to the second pipe, and the other end is an open structure; the wick tube is located in the soil and below the rainwater pipe; preferably, the wick tube is connected to the rainwater pipe The distance is 15-20 cm.
  • the wick tube can disperse the purified water in the soil through adsorption and diffusion for the growth of plants. This is one aspect of rainwater recycling. At the same time, limiting the distance between it and the rainwater pipe can avoid undesirable problems.
  • the treated rainwater is absorbed by the wick cotton; the wick tube is arranged vertically, and it is explained here that the positional relationship involved in the present invention is the positional relationship in the actual state; the inside of the wick tube is filled with wick absorbent cotton; There is a one-way permeable membrane at the interface between the second pipeline and the storage tank. This technical method prevents untreated rainwater from flowing into the storage tank and only discharges the purified water from the storage tank into the second pipeline.
  • the microbial adsorption membrane is located inside the primary sedimentation tank, and the specific location is selected according to the actual situation; the small particle filter plate is located on the upper part of the reservoir; the sterilization device includes ultraviolet sterilization equipment and chemical sterilization equipment; rainwater pipes and existing rainwater guides
  • the port connection is a conventional technology, which can transport the rainwater collected by the rainwater guide to the heavy metal sedimentation tank, and as a common sense, the rainwater guide has already filtered particulate impurities.
  • the sterilization device includes ultraviolet sterilization equipment and chemical sterilization equipment;
  • the chemical sterilization equipment is composed of a release structure and a bactericide located in the release structure;
  • the release structure is composed of a connecting rod, a carrying frame, and a water-soluble coating film;
  • the bactericide is located in the water-soluble coating film; one end of the connecting rod is connected with the supporting frame, and the other end is connected with the side wall of the secondary sedimentation tank;
  • the water-soluble coating film is located in the supporting frame.
  • put the bleaching powder into the water-soluble coating film put it into the carrying frame, put it in the reservoir, and hang it on the side wall through the connecting rod. After entering the water, the water-soluble coating film will gradually dissolve, and the bleaching powder will be released into the water for sterilization. Function, slow release is not only good for mixing uniformly but also preventing danger.
  • the heavy metal sedimentation tank and the organic matter degradation tank are respectively provided with a water heavy metal detection sensor and a water body 34 organic matter detection sensor.
  • the specific parts and components involved in the present invention are all commercially available products, and the specific purchase and installation are all conventional technologies.
  • relevant information can be obtained by setting up commercially available detection sensors, in particular, the water volume and purified water volume of urban conventional sewage can be obtained through two water volume sensors, so that the amount of rainwater can be easily obtained, thereby calculating rainwater-related parameters, especially
  • the rainwater parameters suitable for the specific terrain and landforms solve the problem that the prior art cannot obtain the specific rainwater parameters; in addition, the water weight metal detection sensor and the water body organic matter detection sensor can obtain the water treatment effect on the one hand, and can provide cleanup on the other hand.
  • the signal of the relevant processing pool can be set up commercially available detection sensors, in particular, the water volume and purified water volume of urban conventional sewage can be obtained through two water volume sensors, so that the amount of rainwater can be easily obtained, thereby calculating rainwater-related parameters, especially
  • the rainwater parameters suitable for the specific terrain and landforms solve the problem that the prior art cannot obtain the specific rainwater parameters; in addition, the water weight metal detection sensor and the water body organic matter detection sensor can obtain the water treatment effect on the one hand,
  • the invention also discloses the application of the urban rainwater intelligent processing device or the urban rainwater intelligent processing analysis system in the urban rainwater processing.
  • the urban rainwater intelligent treatment device disclosed in the present invention can treat urban conventional domestic sewage, and at the same time can process rainwater. Especially through structural design, the technical effect of the same treatment level of different treatment channels is realized, and the existing device for treating urban conventional domestic sewage is solved It is not suitable for treating rainwater, and the device for treating rainwater cannot deal with the problem of urban conventional domestic sewage.
  • the upper part of the reservoir is provided with a conventional municipal sewage inlet and the lower part is provided with a reservoir outlet.
  • the tiny particles in the conventional urban sewage can be filtered out;
  • the upper part of the first-level sedimentation tank is equipped with a first-level sedimentation tank inlet and the lower part is equipped with a first-level sedimentation tank outlet.
  • the microbial adsorption membrane installed in the first-level sedimentation tank, it can adsorb and remove some pollutants in the city's conventional sewage; on the second-level sedimentation tank It is equipped with a secondary sedimentation tank inlet and a secondary sedimentation tank outlet below, combined with a sterilization device installed inside the secondary sedimentation tank, it can remove bacteria, including some microorganisms, in conventional urban sewage; then when it rains, Conventional urban sewage is mixed with rainwater.
  • a water pump can be installed between the reservoir, the primary sedimentation tank, and the secondary sedimentation tank to form a water flow.
  • the upper part of the heavy metal sedimentation tank is provided with a microporous sheet and a flocculant inside.
  • the microporous sheet blocks the flocculation of heavy metal chelates and large particles. Furthermore, the heavy metal sedimentation tank is provided with a heavy metal sedimentation tank water inlet and a heavy metal sedimentation tank water outlet. , The treated urban conventional sewage and rainwater enter the heavy metal sedimentation tank. In the presence of conventional flocculants, the heavy metals are flocculated and adsorbed and settled.
  • the water above the microporous sheet is pumped into the organic matter degradation pool; the organic matter degradation pool is equipped with lights, Adsorption catalyst, grid, preferably UV lamp or xenon lamp, the organic matter degradation tank is equipped with an organic matter degradation tank inlet and an organic matter degradation pool outlet below, the grid is located at the organic matter degradation pool outlet, and the organic matter acts as an existing adsorption catalyst
  • Photocatalysis is used to achieve degradation, and the purified water is discharged from the outlet of the organic matter degradation tank through the grid into the storage tank for irrigation or other purposes.
  • Pumps can be installed before and after the organic matter degradation tank and the heavy metal sedimentation tank to form a water flow.
  • the specific installation position of each component is determined according to the actual situation, as long as it meets the limitations of the present invention, such as the fine particle filter plate in the upper part of the reservoir, the specific data of the distance between the fine particle filter plate and the pool mouth is selected according to the actual situation, as long as it is located in the reservoir
  • the upper part of the pool can be used.
  • the present invention proposes an intelligent calculation and analysis system for the total amount of urban rainwater, which has the following beneficial effects:
  • the present invention makes innovative improvements and at the same time increases its actual use effect.
  • One end of the rainwater pipeline disclosed in the present invention is connected to a secondary sedimentation tank, and one end is connected to a heavy metal sedimentation tank.
  • the rainwater pipeline is also connected with the existing conventional rainwater guide openings to introduce rainwater that is not absorbed by the soil into the heavy metal sedimentation tank.
  • several wick tubes are connected in sequence through the side wall of the second pipe. The wick tubes are arranged in parallel with each other and one end (opening) away from the second pipe is located in the soil.
  • the inside of the wick tube is filled with wick absorbent cotton, which can The water in the storage tank is absorbed and dispersed into the soil, and the green plant layer is irrigated, which greatly saves water and is conducive to energy saving and environmental protection.
  • the present invention adopts unseen
  • the reported method of wick cotton adsorption and diffusion in the soil not only makes full use of treated rainwater and conventional urban sewage, but also reduces the volatilization of purified water, especially compared with the existing method of transporting purified water to the surface for irrigation.
  • the invention completely utilizes the purified water, all in the plant root system, avoids soil erosion, and can release water slowly at the same time.
  • the present invention develops and designs a modern rainwater and sewage collection, detection and repeated use mechanism based on wick absorbent cotton based on the water treatment system, and through the perfect integration of the two, it truly realizes urban rainwater and The practical application and overall explanation of the intelligent calculation and analysis system for the total amount of sewage.
  • the invention relies on the background of sponge city construction, designs and constructs a kind of rainwater that can be recycled and can also solve the problem of rainwater calculation in sponge city construction, and the constructed one is more intuitive and has the characteristics of convenience, efficiency, accuracy, etc.
  • the rainwater collection system and the intelligent computing system can better assist in the construction of sponge cities and meet the needs of practical applications.
  • Fig. 1 is a schematic diagram of the structure of an intelligent urban rainwater treatment device according to the first embodiment.
  • Fig. 2 is a schematic diagram of the structure of the sterilization device in the first embodiment.
  • Fig. 3 is a schematic diagram of the structure of the wick tube of the first embodiment.
  • FIG. 4 is a schematic diagram of the structure of the grid in the first embodiment.
  • Fig. 5 is a schematic diagram of the structure of the one-way water-permeable membrane in Example 1.
  • Fig. 6 is a schematic diagram of the structure of the water-soluble coating film of Example 1, which is wrapped with bleaching powder, indicated by a circle.
  • Fig. 7 is a schematic diagram of the structure of the urban rainwater intelligent processing and analysis system in the second embodiment.
  • the invention relates to a micro-particle filter plate, a microbial adsorption film, an ultraviolet lamp, a water-soluble coating film, bleaching powder, a wick tube, a wick absorbent cotton, a flocculant, an adsorption catalyst, a xenon lamp, a mesh bag for carrying the adsorption catalyst, and a sewage volume detection sensor ,
  • Purified water detection sensor, water weight metal detection sensor, water body organic matter detection sensor, etc. are all existing products, which can be purchased directly or conventionally prepared. All pipelines, water pumps, air pumps, etc. are all commercially available products. The rooms are equipped with conventional valves.
  • the microbial adsorption film was purchased from Tianjin Hongze Tianchuang Bio-Environmental Protection Technology Development Co., Ltd.
  • the water-soluble coating film was from Zhengzhou Lvzhisheng Packaging Material Co., Ltd.
  • the flocculant was made of polyacrylamide and purchased from Foshan Jianghe Chemical Co., Ltd. is a heavy metal capture agent and adsorption catalyst from Soochow University.
  • the orientation or positional relationship indicated by “outside” is the orientation or positional relationship based on the actual state. In particular, the positions of the water inlet and the water outlet are in a relative relationship. Those skilled in the art can understand without objection according to the description of the present invention.
  • the water inlet of the first-level sedimentation tank and the outlet of the first-level sedimentation tank above it means that the microbial adsorption film is between the water inlet and the water outlet, and the water inlet is above the water outlet, and the water inlet is biased to the position of the upper surface of the first-level sedimentation tank; other technologies The understanding of the scheme is the same; in the drawings of the specification of the present invention, the inlet of the conventional pool and the pump are not marked, together with the conventional structural components such as valves, flanges, etc., are common sense.
  • the green plant layer of the present invention is shrubs or landscape flowers and plants, not plants with roots such as trees that can affect rainwater pipes and wick tubes.
  • the method for processing urban domestic sewage and rainwater and calculating the amount of rainwater by using the above-mentioned urban rainwater intelligent processing device or analysis system in the present invention is specifically as follows.
  • the urban domestic sewage After the urban domestic sewage is injected into the reservoir, it passes through the primary sedimentation tank and the secondary sedimentation tank; the sewage volume detection sensor is used to obtain the sewage volume in the secondary sedimentation tank; then the water in the secondary sedimentation tank is injected through the rainwater pipeline Heavy metal sedimentation tank.
  • the net water quantity detection sensor is used to obtain the net water quantity in the storage tank; the net water quantity subtracts the sewage quantity to obtain the rainwater quantity.
  • the heavy metal sedimentation tank treats both rainwater and urban domestic sewage from the secondary sedimentation tank.
  • An intelligent urban rainwater treatment device including green plant layer 1, soil 2, rainwater pipeline 3, reservoir 4, primary sedimentation tank 5, secondary sedimentation tank 6, heavy metal sedimentation tank 7 , Organic matter degradation tank 8, storage tank 9, second pipeline 10, wick tube 11; one end of the rainwater pipeline is connected with the secondary sedimentation tank, and the other end is connected with the heavy metal sedimentation tank; the storage tank, the primary sedimentation tank, and the secondary sedimentation tank The tanks are connected in sequence, the heavy metal sedimentation tank and the organic matter degradation tank are connected in sequence; the water storage tank, the primary sedimentation tank, the secondary sedimentation tank, the heavy metal sedimentation, the organic matter degradation tank, and the storage tank are set up with pumps to form a water flow; the organic matter degradation tank Connected with the storage tank, the storage tank is provided with a municipal pipe connection end, the second pipe is connected with the storage tank, one end of the wick tube is connected with the second pipe, and the other end is open.
  • the wick tube is located in the soil and under the rainwater pipe.
  • the distance between the wick tube and the rainwater pipe is 20 cm, that is, the distance between the top of the wick tube and the bottom of the rainwater pipe is 20 cm.
  • the rainwater pipe is located 20 cm below the upper surface of the soil; the rainwater pipe is conventional and existing rainwater
  • the guide opening is connected, and a branch pipe can be set on the rainwater pipe to receive the rainwater collected by the existing rainwater guide.
  • the interior of the reservoir is provided with a small particle filter plate 12; the upper portion of the reservoir is provided with a conventional urban sewage inlet 13, and the lower portion is provided with a reservoir outlet.
  • the small particle filter plate installed on the upper part of the reservoir, it can filter In addition to the small particles in the conventional urban sewage; the conventional urban sewage flows from the top of the small particle filter plate to the bottom; the microbial adsorption membrane 14 is installed inside the first-level sedimentation tank, and the first-level sedimentation tank inlet 15 is provided above the first-level sedimentation tank.
  • first-level sedimentation tank outlet below, combined with the microbial adsorption membrane set inside the first-level sedimentation tank, which can adsorb and remove some pollutants in conventional urban sewage;
  • a hanging rod 16 is set inside the first-level sedimentation tank, and the microbial adsorption membrane is fixed On the hanging pole, it is a conventional technology, the water flow is slow, the pollutants in the water body enter the biofilm, and they are used by microorganisms through biological metabolism and proliferation to purify the water body;
  • a sterilization device 18 is installed inside the secondary sedimentation tank, There is a secondary sedimentation tank inlet 17 above the secondary sedimentation tank, and a secondary sedimentation tank outlet at the bottom.
  • the sterilization device is a chemical sterilization equipment; the chemical sterilization equipment is composed of a release structure and a fungicide located in the release structure.
  • the release structure is composed of a connecting rod 19, a carrying frame 20, and a water-soluble coating film 21.
  • the fungicide is located in the water-soluble coating Inside the film; one end of the connecting rod is connected to the carrying frame, and the other end is connected to the side wall of the secondary sedimentation tank, just hang, the water-soluble coating film is located in the carrying frame; the bleaching powder is packaged in the water-soluble coating film and placed In the carrying frame, the reservoir is placed and hung on the side wall through the connecting rod. After the water enters, the water-soluble coating film gradually dissolves, and the bleaching powder is released into the water to play a sterilization effect.
  • the present invention The disclosed new chemical sterilization equipment is more convenient to operate, and there is no problem of leakage, waste, or dangerous materials.
  • the bearing frame can be placed under the water inlet of the secondary sedimentation tank, so that the flushing of the water will accelerate the water-soluble coating film.
  • the dissolution can also drive the mixing of the fungicide to improve the sterilization effect; so far, when it rains, the conventional urban sewage can be mixed with rainwater; the side wall of the wick tube is provided with small holes 22, the diameter of the small holes is 1 mm, the specific setting is not limited ,
  • the inside of the wick tube is filled with the existing wick absorbent cotton 23, and the one-way permeable membrane 24 is provided at the interface between the second pipe and the storage tank. In this way, the purified water of the storage tank can flow to the second pipe, and the second pipe Water must not return to the storage tank.
  • the heavy metal sedimentation tank is equipped with a heavy metal sedimentation tank water inlet 25, a heavy metal sedimentation tank water outlet, a flocculant 26 inside, and a microporous sheet 27 above the inside to block the flocculation of heavy metal chelates and large particles.
  • the treated urban conventional sewage Confluent rainwater enters the heavy metal sedimentation tank.
  • heavy metals are flocculated and absorbed and settled.
  • the water above the microporous sheet is pumped into the organic matter degradation tank; the heavy metal sedimentation tank is equipped with a microporous sheet lifting device on the top of the support. 28.
  • the lifting motor 29 is composed of a fixed rod 30.
  • the lifting rod of the lifting motor is connected with the microporous sheet through the fixed rod, which drives the microporous sheet to move up and down.
  • the fixed rod is equipped with a hose 31, and one end of the hose is connected to the water outlet of the heavy metal sedimentation tank The other end is open downward; this design makes the microporous sheet with very light weight block the flocculation products, while not being impacted by upward water, maintaining stability, and easy removal, which is conducive to the flocculating agent and the flocculation product cleaning; heavy metals
  • An air pipe 32 is provided on the inner wall of the sedimentation tank, which can be connected with a conventional air pump to blow air to the heavy metal sedimentation tank to mix the flocculant and improve the chelating physical adsorption effect of the flocculant. When the sedimentation, shut off the air pump and wait for the flocculation product to settle.
  • the inside of the organic matter degradation tank is equipped with a lamp 33, an adsorption catalyst 34, and a grid 35.
  • the organic matter degradation pool is equipped with an organic matter degradation pool inlet and an organic matter degradation pool outlet 36 below;
  • the lamp is a xenon lamp, and the specific location is not particularly limited. It can be contacted by water.
  • the mesh has a hole diameter of 0.1 mm and is covered in the outlet of the organic matter degradation pool; the organic matter is degraded by photocatalysis under the action of the existing adsorption catalyst, and the purified water is discharged from the outlet of the organic matter degradation pool through the grid.
  • the adsorption catalyst is fixed in the organic matter degradation tank through the existing mesh bags, and the specific position and quantity are not limited.
  • This embodiment uses two bags, which can improve the uniformity of degradation; the inner wall of the organic matter degradation tank is provided There is an air pipe 37, which can be connected with a conventional air pump to blow air into the organic matter degradation pool to improve the adsorption and degradation effect.
  • purified water is obtained and discharged into the regulating storage tank, which is provided with a municipal pipe connection end 38.
  • Embodiment two referring to Figure 7, on the basis of embodiment one, the secondary sedimentation tank is equipped with a sewage volume detection sensor 39, and the storage tank is equipped with a clean water volume detection sensor 40, and the rest remain unchanged, and the urban rainwater intelligent processing analysis is obtained. system.
  • the pools involved in the embodiments of the present invention are all regular squares, such as secondary sedimentation tanks and storage tanks, which have a clear cross-sectional area.
  • the existing height measurement sensor Keystone
  • the purified water height can be obtained, and the purified water volume can be obtained; in this way, compare the purified water volume with the urban sewage volume,
  • the amount of rainwater can be obtained, especially the structure disclosed in the present invention can obtain the amount of rainwater that meets the specific topography, which cannot be achieved in the prior art, and the results obtained by the present invention have small deviations, which can be used as a reference basis for rainwater in sponge cities and the like.
  • Embodiment 3 On the basis of Embodiment 2, the heavy metal sedimentation tank and the organic matter degradation tank are respectively equipped with water heavy metal detection sensors and water body organic matter detection sensors, and the rest remain unchanged to obtain an urban rainwater intelligent processing and analysis system.
  • the water weight metal detection sensor and the water organic matter detection sensor are all commercially available products, which can be tested online or sampled to provide a basis for the treatment effect.
  • the lifting rod of the lifting motor is connected to the The other end of the plastic pipe is connected to drive the microporous sheet up and down; a hose is tied to the plastic pipe, one end of the hose is connected with the water outlet of the heavy metal sedimentation tank, and one end is open downward.
  • the water-soluble coating film containing bleaching powder is put into the carrying frame, and hung on the side wall of the secondary sedimentation tank through the connecting rod, and the carrying frame is located under the water inlet.
  • the adsorption catalyst is packed into a mesh bag, which is a flat type, and the two ends of the mesh bag are respectively tied inside the organic matter degradation tank, which are two mesh bags, which are spaced apart.
  • a hanging rod is installed on the side wall of the primary sedimentation tank, and the microbial adsorption membrane is fixed on the hanging rod; a conventional ceramic filter plate (with a filtration accuracy of 30 to 80 microns) is conventionally installed in the reservoir 30 cm below the water inlet, which is small particles Filter plate.
  • Example 2 By simulating conventional urban domestic sewage and rainwater to verify the technical effects of the present invention (Example 2), conventional urban domestic sewage comes from Suzhou Wastewater Treatment Plant (typical domestic sewage water quality), rainwater is collected from the rainwater diversion gate of Soochow University, and no soil is set;
  • the detection method involved in this example is a conventional detection method for water treatment.
  • the number of fecal coliforms adopts the multi-tube fermentation method (GB5750-85)
  • the determination of TP is based on GB 11893-89
  • the measurement of TN is based on GB 11894-89.
  • the oxygen demand is measured according to HJ 8 28-2017, and the SS test adopts the gravimetric method (GB 11901-89);
  • the control standards for each item are as follows.
  • the sterilized conventional urban domestic sewage is also pumped to the heavy metal sedimentation tank, and 1.5mg is added for flocculation Turn on the air pump, turn it off after 20 minutes, and settle for 1 hour, then lower the microporous sheet and pump water to the organic degradation tank that has been placed in the adsorption catalyst, turn on the air pump, turn it off after 30 minutes, and then turn on the xenon lamp for 1 hour.
  • the treated clean water is discharged into the storage tank, and the height measurement sensor is used to measure the water height.
  • the calculated clean water is 2.24L, subtracting 1.46L of the conventional urban domestic sewage in the secondary sedimentation tank calculated by the same method, and the calculated rainwater volume is 0.78 L.
  • the purified water flows into the second pipe through the one-way water-permeable membrane, and then is absorbed by the absorbent cotton. After 20 minutes after the storage tank enters the water, it is found that the surface of the wick absorbent cotton in the wick tube has water seeping out, indicating that the structure of the present invention can achieve water diffusion. Disperse the water into the soil for the growth of the green plant layer.
  • the micro-particle filter plate is filtered and then pumped to the primary sedimentation tank with a water pump.
  • the microbial adsorption membrane is treated for 1 hour, it is pumped to the secondary sedimentation tank with a water pump, and 2.5g of bleaching powder is used to sterilize 1
  • the conventional municipal sewage after sterilization is pumped to the heavy metal sedimentation tank with 1.5mg flocculant, the air pump is turned on, and the air pump is turned off after 20 minutes.
  • the sedimentation is 1 hour, then the microporous sheet is lowered and pumped to the organic matter that has been put into the adsorption catalyst.
  • the purified water chemical oxygen demand (COD) and total nitrogen (TN) obtained according to the above experimental process The average reduction rate of total phosphorus (TP) was 50.1%, 46.3%, and 52.1%, respectively, which did not meet the first-level emission standards. If the sterilization device is not used, the bleaching powder is poured directly, and the rest remains unchanged. During the pouring process, there is a danger of powder floating, and after the secondary sedimentation tank is processed, the number of fecal coliforms is 16 after the secondary sedimentation treatment in Example 2. Times. If the organic matter degradation tank does not open the air pump (that is, does not use the air blowing tube), the rest remains the same, and the obtained purified water chemical oxygen demand (COD) is 1.28 times that of the treatment in the second embodiment.
  • COD purified water chemical oxygen demand
  • the present invention creatively uses existing components to develop a new urban rainwater intelligent processing device and analysis system.

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Abstract

公开了一种城市雨水智能处理装置,包括绿植层(1)、土壤(2)以及雨水管道(3)、蓄水池(4)、一级沉淀池(5)、二级沉淀池(6)、重金属沉淀池(7)、有机物降解池(8);雨水管道(3)一端与二级沉淀池(6)连通、另一端与重金属沉淀池(7)连通;蓄水池(4)、一级沉淀池(5)、二级沉淀池(6)依次连通;重金属沉淀池(7)、有机物降解池(8)依次连通;一级沉淀池(5)的内部设置有微生物吸附膜(14),二级沉淀池(6)的内部设置有杀菌装置(18),蓄水池(4)的内部设置有微小颗粒过滤板(12),重金属沉淀池(7)设有絮凝剂(26),有机物降解池(8)设有光催化剂;杀菌装置(18)包括紫外线杀菌设备、化学杀菌设备;化学杀菌设备由释放结构与位于释放结构内的杀菌剂组成;杀菌剂为漂白粉。还公开了一种利用城市雨水智能处理装置处理城市生活污水以及雨水的方法、一种城市雨水智能处理分析系统、一种利用城市雨水智能处理分析系统处理城市生活污水、雨水以及计算雨水量的方法以及城市雨水智能处理装置或者城市雨水智能处理分析系统在城市雨水处理中的应用。

Description

城市雨水智能处理装置及分析系统 技术领域
本发明涉及污水处理利用技术领域,尤其涉及一种城市雨水智能处理分析系统。
背景技术
在全国快速城镇化的大背景下,每年有近1000多万人口进入城市,新建建筑相当于世界总建筑的一半,城市地表硬质化越来越严重,随之而来的就是城市内涝问题,在过去的三年中,全国有360座城市遭遇了内涝,其直接与间接经济损失达到了353亿元,海绵城市理念就是在此背景下所产生的。海绵城市,是新一代城市雨洪管理概念,是指城市在适应环境变化和应对雨水带来的自然灾害等方面具有良好的“弹性”,也可称之为“水弹性城市”。国际通用术语为“低影响开发雨水系统构建”,下雨时吸水、蓄水、渗水、净水,需要时将蓄存的水“释放”并加以利用。采用“慢排缓释”的策略,通过海绵体的构建,增加雨水下渗与积蓄利用的量,区别于传统城市“快速排干”的城市硬工程策略,从而更好的解决当前所面临的城市问题。2015年10月国务院发布《关于推进海绵城市建设的指导意见》,要求通过“渗、滞、蓄、净、用、排”等措施,最大限度减少城市开发建设对生态环境的影响,将70%的降雨就地消纳和利用,并且提出明确工作要求:2020年城市建成区20%以上面积达到目标要求,2030年城市建成区80%以外面积达到目标要求。雨水总量控制计算系统是海绵城市建设中最为重要的环节,计算环节确定着当前区域内海绵城市建设的必要性,海绵体的具体位置,海绵体构建尺度的大小,构建的海绵体雨水容量的多少等等,但是在实践项目的参与研究中发现当前的雨水计算系统以下几点不足之处:1)专业背景知识要求极高,普通建设人员难以计算,2)计算系统十分复杂,过程繁琐,如所在城市的年径流总控制率、不同汇水面种类雨水径流系数等,3)市场上针对辅助海绵城市雨水总量控制计算的软件(如SMWW)专业性较强,不易使用,复杂低效,4)计算数据未能与场地结合,可视化效果低。
技术问题
本发明的目的是为了解决现有技术中存在的缺点,而提出的一种城市雨水处理分析系统,实现环保雨水规划中的水文分析计算,完成判断设计所包含的雨水和污水源头控制设施能否满足径流总量检测控制的重要步骤,避免雨水在雨水和污水总量检测控制过程中专业领域背景知识的欠缺致使环保雨水规划设计过程中雨水和污水总量处理和检测控制不够准确。本发明具有很强的便捷性、高效性及准确性,同时雨水可以通过简单计算得到设计场地内污水径流系数,并通过雨水和污水源头控制设施的参数修改检测雨水和污水总量控质,辅助完成环保雨水规划设计。
技术解决方案
为了实现上述目的,本发明采用了如下技术方案:一种城市雨水智能处理装置,包括绿植层、土壤以及雨水管道、蓄水池、一级沉淀池、二级沉淀池、重金属沉淀池、有机物降解池;所述雨水管道一端与二级沉淀池连通、另一端与重金属沉淀池连通;所述蓄水池、一级沉淀池、二级沉淀池依次连通;所述重金属沉淀池、有机物降解池依次连通;所述一级沉淀池的内部设置有微生物吸附膜,二级沉淀池的内部设置有杀菌装置,蓄水池的内部设置有微小颗粒过滤板,重金属沉淀池设有絮凝剂,有机物降解池设有光催化剂;杀菌装置包括紫外线杀菌设备、化学杀菌设备;所述化学杀菌设备由释放结构与位于释放结构内的杀菌剂组成;所述杀菌剂为漂白粉。
一种城市雨水智能处理分析系统,包括绿植层、土壤以及雨水管道、蓄水池、一级沉淀池、二级沉淀池、重金属沉淀池、有机物降解池、调蓄池;所述雨水管道一端与二级沉淀池连通、另一端与重金属沉淀池连通;所述蓄水池、一级沉淀池、二级沉淀池依次连通;所述重金属沉淀池、有机物降解池依次连通;所述有机物降解池与调蓄池连通;所述一级沉淀池的内部设置有微生物吸附膜,二级沉淀池的内部设置有杀菌装置,蓄水池的内部设置有微小颗粒过滤板,重金属沉淀池设有絮凝剂,有机物降解池设有光催化剂;所述二级沉淀池设有污水量检测传感器;所述调蓄池设有净水量检测传感器;杀菌装置包括紫外线杀菌设备、化学杀菌设备;所述化学杀菌设备由释放结构与位于释放结构内的杀菌剂组成;所述杀菌剂为漂白粉。
利用上述城市雨水智能处理装置处理城市生活污水以及雨水的方法,包括以下步骤。
(1)将城市生活污水注入蓄水池后,再经过一级沉淀池、二级沉淀池;然后通过雨水管道注入重金属沉淀池。
(2)将雨水导口收集的雨水通过雨水管道注入重金属沉淀池。
(3)将重金属沉淀池的水絮凝处理后注入有机物降解池,再经过光催化处理,完成城市生活污水以及雨水的处理。
利用上述城市雨水智能处理分析系统处理城市生活污水、雨水以及计算雨水量的方法,包括以下步骤。
(1)将城市生活污水注入蓄水池后,再经过一级沉淀池、二级沉淀池;利用污水量检测传感器得到二级沉淀池内的污水量;然后二级沉淀池内的水通过雨水管道注入重金属沉淀池。
(2)将雨水导口收集的雨水通过雨水管道注入重金属沉淀池。
(3)将重金属沉淀池的水絮凝处理后注入有机物降解池,再经过光催化处理,完成城市生活污水以及雨水的处理。
(4)将步骤(3)处理后的水注入调蓄池。
(5)利用净水量检测传感器得到调蓄池内的净水量;净水量减去污水量,得到雨水量。
本发明中,所述城市雨水智能处理装置还包括调蓄池、第二管道、灯芯管;所述有机物降解池与调蓄池连通;所述调蓄池设有市政管道连接端;所述第二管道与调蓄池连通;所述灯芯管一端与第二管道连通,另一端为开口结构;所述灯芯管位于土壤内,且位于雨水管道下方;优选的,所述灯芯管与雨水管道的距离为15~20厘米,灯芯管可以将净化后的水通过吸附扩散作用分散于土壤中,用于植物的生长,此为雨水循环利用的一方面,同时限定其与雨水管道的距离可避免未经处理的雨水被灯芯棉吸收;所述灯芯管为竖直设置,在此说明,本发明涉及的位置关系为实际状态下的位置关系;所述灯芯管的内部填充有灯芯吸水棉;所述第二管道与调蓄池界面处设有单向透水膜,此技术手段避免了未经处理的雨水流入调蓄池,仅将调蓄池的净水排入第二管道。
本发明中,微生物吸附膜位于一级沉淀池内部,具体位置根据实际情况选择;微小颗粒过滤板位于蓄水池的上部;杀菌装置包括紫外线杀菌设备、化学杀菌设备;雨水管道与现有雨水导口连通,为常规技术,可以将雨水导口收集的雨水输送至重金属沉淀池,且作为常识,雨水导口已经过滤颗粒杂质。优选的,杀菌装置包括紫外线杀菌设备、化学杀菌设备;所述化学杀菌设备由释放结构与位于释放结构内的杀菌剂组成;所述释放结构由连接杆、承载框、水溶性包覆膜组成;所述杀菌剂位于水溶性包覆膜内;所述连接杆一端与承载框连接、另一端与二级沉淀池侧壁连接;所述水溶性包覆膜位于承载框内。比如将漂白粉装入水溶性包覆膜内,并放入承载框内,置入蓄水池,通过连接杆挂在侧壁,入水后,水溶性包覆膜逐步溶解,漂白粉释放入水中发挥杀菌作用,缓释既利于混合均匀更防止危险。
本发明中,所述重金属沉淀池、有机物降解池分别设有水体重金属检测传感器、水体34有机物检测传感器。本发明所涉及的具体部件、元件都是市购产品,具体购买安装都常规技术。本发明通过设置市购的检测传感器可以获知相关信息,尤其是通过两个水量传感器可以得到城市常规污水的水量与净水水量,这样可以简易的得到雨水量,从而计算出雨水相关参数,尤其是适合于该具体地形地貌的雨水参数,解决了现有技术无法获取具体雨水参数的问题;另外,通过水体重金属检测传感器、水体有机物检测传感器一方面可以获知水处理效果,另一方面可以给出清理相关处理池的信号。
本发明还公开了上述城市雨水智能处理装置或者城市雨水智能处理分析系统在城市雨水处理中的应用。
本发明公开的城市雨水智能处理装置可以处理城市常规生活污水,同时可以处理雨水,尤其是通过结构设计,实现了不同处理途径同样处理水平的技术效果,解决了现有处理城市常规生活污水的装置不适合处理雨水,处理雨水的装置无法处理城市常规生活污水的问题。具体的,蓄水池上方设有城市常规生活污水入口、下方设有蓄水池出水口,结合设置在蓄水池内部上部的微小颗粒过滤板,可以滤除城市常规污水中的微小颗粒;一级沉淀池上方设有一级沉淀池入水口、下方设有一级沉淀池出水口,结合设置在一级沉淀池内部的微生物吸附膜,可以吸附除去城市常规污水中的部分污染物;二级沉淀池上方设有二级沉淀池入水口、下方设有二级沉淀池出水口,结合设置在二级沉淀池内部的杀菌装置,可以除去城市常规污水中的细菌,包括一些微生物;然后在下雨时,城市常规污水与雨水混合。可以在蓄水池、一级沉淀池、二级沉淀池之间设置抽水泵,形成水流动。重金属沉淀池的内部上方设置有微孔片、内部设有絮凝剂,微孔片阻隔絮凝重金属螯合物以及大的颗粒,进一步的,重金属沉淀池上方设有重金属沉淀池水入口以及重金属沉淀池水出口,经过处理的城市常规污水汇流雨水进入重金属沉淀池,在常规絮凝剂的存在下,重金属被絮凝吸附并沉降,微孔片上方的水被抽入有机物降解池;有机物降解池内部设有灯、吸附催化剂、网格,优选灯为紫外灯或者氙灯,有机物降解池上方设有有机物降解池入水口、下方有机物降解池出水口,网格位于有机物降解池出水口处,有机物在现有吸附催化剂作用下,利用光催化实现降解,净水通过网格从有机物降解池出水口排入调蓄池,用于灌溉或者其他用途。可以在有机物降解池、重金属沉淀池前后设置抽水泵,形成水流。各部件具体的安装位置根据实际情况确定,只要符合本发明的限定即可,比如在蓄水池内部上部的微小颗粒过滤板,微小颗粒过滤板距离池口的具体数据根据实际情况选择,只要位于蓄水池内部上部即可。
有益效果
与现有技术相比,本发明提出了一种城市雨水总量智能计算分析系统,具有以下有益效果:本发明针对现有技术中的不足,加以创新性的改进,同时增加其实际的使用效果。本发明公开的雨水管道的一端通接二级沉淀池、一端通接有重金属沉淀池,雨水管道还与现有常规雨水导口连通,将没有被土壤吸收的雨水导入重金属沉淀池。本发明通过第二管道的侧壁依次通接有若干灯芯管,灯芯管相互之间为平行设置且远离第二管道的一端(开口)位于土壤中,灯芯管的内部填充有灯芯吸水棉,能够将调蓄池内部的水分吸附并且分散入土壤,对绿植层进行灌溉,极大的节约了用水,有利于节能环保的进行,相对于现有技术重复利用雨水的方法,本发明采用未见报道的灯芯棉吸附在土壤内扩散的方法,既充分利用了处理后的雨水、城市常规污水,又减少了净水的挥发,尤其与现有将净水输送至地表进行灌溉的方法相比,本发明对净水的利用完全,全部在植物根系部位,而且避免水土流失,同时可以缓慢释放水份。
本发明通过在水处理系统的基础上研发设计了以灯芯吸水棉为主的现代化雨水和污水收集、检测及反复利用的机构,且通过将二者完美的融合使用,真正的实现了城市雨水和污水总量智能计算分析系统的实际应用和整体阐述。
本发明依托于海绵城市建设背景之下,设计建设一种能够将雨水进行循环利用且还能够解决海绵城市建设中雨水计算之问题,构建出来的一个更为直观且具有便捷、高效、准确等特点的雨水收集系统以及智能计算系统,以便能够更好的辅助海绵城市建设,满足实际应用的需求。
附图说明
图1为实施例一城市雨水智能处理装置的结构示意图。
图2为实施例一杀菌装置的结构示意图。
图3为实施例一灯芯管的结构示意图。
图4为实施例一网格的结构示意图。
图5为实施例一单向透水膜的结构示意图。
图6为实施例一水溶性包覆膜的结构示意图,其包裹漂白粉,圆圈表示。
图7为实施例二城市雨水智能处理分析系统的结构示意图。
图中:绿植层1、土壤2、雨水管道3、蓄水池4、一级沉淀池5、二级沉淀池6、重金属沉淀池7、有机物降解池8、调蓄池9、第二管道10、灯芯管11、微小颗粒过滤板12、城市常规污水入口13、微生物吸附膜14、一级沉淀池入水口15、挂杆16、二级沉淀池入水口17、杀菌装置18、连接杆19、承载框20、水溶性包覆膜21、小孔22、灯芯吸水棉23、单向透水膜24、重金属沉淀池水入口25、絮凝剂26、微孔片27、支架28、升降电机29、固定杆30、软管31、气管32、灯33、吸附催化剂34、网格35、有机物降解池出水口36、气管37、市政管道连接端38、污水量检测传感器39、净水量检测传感器40。
本发明的实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。本发明涉及的微小颗粒过滤板、微生物吸附膜、紫外灯、水溶性包覆膜、漂白粉、灯芯管、灯芯吸水棉、絮凝剂、吸附催化剂、氙灯、吸附催化剂承载用网袋以及污水量检测传感器、净水量检测传感器、水体重金属检测传感器、水体有机物检测传感器等都为现有产品,直接购买或者常规制备即可,各管道、水泵、气泵等都是市购产品,各管道与各池子之间都设有常规阀门,比如微生物吸附膜购自天津鸿泽天创生物环保科技发展有限公司、水溶性包覆膜来自郑州绿之声包装材料有限公司、絮凝剂由聚丙烯酰胺制备,购自佛山市江河化工,为重金属捕捉剂、吸附催化剂来自苏州大学。
在本发明的描述中,需要理解的是,术语“上”、“下”、“前”、“后”、“左”、“右”、 “顶”、“底”、“内”、 “外”等指示的方位或位置关系为基于实际状态的方位或位置关系。尤其涉及的入水口、出水口的位置为相对关系,本领域技术人员根据本发明的描述可以毫无异议的理解,比如一级沉淀池的内部设置有微生物吸附膜,一级沉淀池下方设有一级沉淀池入水口、上方设有一级沉淀池出水口是指微生物吸附膜在入水口、出水口之间,且入水口在出水口上方,入水口偏向一级沉淀池上表面的位置;其余的技术方案理解一样;本发明说明书附图中,常规池子进入水口、抽水泵没有标注,连同常规结构组合件比如阀门、法兰等,都是常识。
根据常识,本发明的绿植层为灌木或者景观花草,不为乔木等根系会影响雨水管道、灯芯管的植物。
本发明利用上述城市雨水智能处理装置或者分析系统处理城市生活污水、雨水以及计算雨水量的方法具体如下。
(1)将城市生活污水注入蓄水池后,再经过一级沉淀池、二级沉淀池;利用污水量检测传感器得到二级沉淀池内的污水量;然后二级沉淀池内的水通过雨水管道注入重金属沉淀池。
(2)将雨水导口收集的雨水通过雨水管道注入重金属沉淀池。
(3)将重金属沉淀池的水絮凝处理后注入有机物降解池,再经过光催化处理,完成城市生活污水以及雨水的处理。
(4)将步骤(3)处理后的水注入调蓄池。
(5)利用净水量检测传感器得到调蓄池内的净水量;净水量减去污水量,得到雨水量。
一般的,下雨时,重金属沉淀池同时处理雨水与从二级沉淀池来的城市生活污水。
实施例一。
参见附图1至图6:一种城市雨水智能处理装置,包括绿植层1、土壤2以及雨水管道3、蓄水池4、一级沉淀池5、二级沉淀池6、重金属沉淀池7、有机物降解池8、调蓄池9、第二管道10、灯芯管11;雨水管道一端与二级沉淀池连通、另一端与重金属沉淀池连通;蓄水池、一级沉淀池、二级沉淀池依次连通,重金属沉淀池、有机物降解池依次连通;蓄水池、一级沉淀池、二级沉淀池、重金属沉淀、有机物降解池、调蓄池之间设置抽水泵,形成水流动;有机物降解池与调蓄池连通,调蓄池设有市政管道连接端,第二管道与调蓄池连通,灯芯管一端与第二管道连通,另一端开口,灯芯管位于土壤内,且位于雨水管道下方,为竖直设置,灯芯管与雨水管道的距离为20厘米,即灯芯管最上方与雨水管道最下方的距离为20厘米,雨水管道位于土壤上表面下方20厘米处;雨水管道常规与现有雨水导口连通,可在雨水管道上设置支管接收现有雨水导口收集的雨水,为常识,比如在现有雨水导口下方用收集漏斗将雨水(颗粒已经被雨水导口阻隔)导入雨水管道。
蓄水池的内部设置有微小颗粒过滤板12;蓄水池上方设有城市常规污水入口13、下方设有蓄水池出水口,结合设置在蓄水池内部上部的微小颗粒过滤板,可以滤除城市常规污水中的微小颗粒;常规城市污水从微小颗粒过滤板上方流至其下方;一级沉淀池的内部设置有微生物吸附膜14,一级沉淀池上方设有一级沉淀池入水口15、下方设有一级沉淀池出水口,结合设置在一级沉淀池内部的微生物吸附膜,可以吸附除去城市常规污水中的部分污染物;在一级沉淀池的内部设置挂杆16,微生物吸附膜固定在挂杆上,具体为常规技术,水流缓慢,水体中的污染物进入生物膜内,经过生物代谢和增殖被微生物利用从而实现对水体的净化;二级沉淀池的内部设置有杀菌装置18,二级沉淀池上方设有二级沉淀池入水口17、下方设有二级沉淀池出水口,结合设置在二级沉淀池内部的杀菌装置,可以除去城市常规生活污水中的细菌,包括一些微生物;杀菌装置为化学杀菌设备;化学杀菌设备由释放结构与位于释放结构内的杀菌剂组成,释放结构由连接杆19、承载框20、水溶性包覆膜21组成,杀菌剂位于水溶性包覆膜内;连接杆一端与承载框连接、另一端与二级沉淀池侧壁连接,挂着即可,水溶性包覆膜位于承载框内;将漂白粉封装入水溶性包覆膜内,并放入承载框内,置入蓄水池,通过连接杆挂在侧壁,入水后,水溶性包覆膜逐步溶解,漂白粉释放入水中发挥杀菌作用,相比于直接喷洒漂白粉的现有技术,本发明公开的新的化学杀菌设备操作更方便,且没有泄露、浪费、用料危险的问题,而且可以将承载框置于二级沉淀池入水口下方,这样入水冲刷下既加速水溶性包覆膜的溶解又可以带动杀菌剂混匀,提高杀菌效果;至此,在下雨时,城市常规污水可以与雨水混合;灯芯管的侧壁设有小孔22,小孔的孔径为1毫米,具体设置没有限定,灯芯管的内部填充有现有灯芯吸水棉23,第二管道与调蓄池界面处设有单向透水膜24,如此,调蓄池的净水可以流向第二管道,而第二管道的水不可回流至调蓄池。重金属沉淀池上方设有重金属沉淀池水入口25、重金属沉淀池水出口、内部设有絮凝剂26,内部上方设置有微孔片27,阻隔絮凝重金属螯合物以及大的颗粒,经过处理的城市常规污水汇流雨水进入重金属沉淀池,在常规絮凝剂的存在下,重金属被絮凝吸附并沉降,微孔片上方的水被抽入有机物降解池;重金属沉淀池外部上方设有微孔片升降装置,由支架28、升降电机29、固定杆30组成,升降电机的升降杆通过固定杆与微孔片连接,带动微孔片上下移动,固定杆上装有软管31,软管一端与重金属沉淀池水出口连通、另一端开口朝下;该设计既使得重量非常轻的微孔片在阻隔絮凝产物的同时,不会被向上的水冲击,保持稳定,而且脱卸方便,利于絮凝剂的投放与絮凝产物清理;重金属沉淀池内壁设有气管32,可以外接常规气泵,对重金属沉淀池进行吹气,以混匀絮凝剂并提高絮凝剂的螯合物理吸附效果,在沉降时,关闭气泵,等待絮凝产物沉降。
有机物降解池内部设有灯33、吸附催化剂34、网格35,有机物降解池上方设有有机物降解池入水口、下方设有有机物降解池出水口36;灯为氙灯,具体位置没有特别限定,不被水接触即可,网格的孔径为0.1毫米,包覆于有机物降解池出水口;有机物在现有吸附催化剂作用下,利用光催化实现降解,净水通过网格从有机物降解池出水口排入调蓄池,用于灌溉或者其他用途;吸附催化剂通过现有网袋固定在有机物降解池内,具体位置以及数量没有限定,本实施例为两袋,可以提高降解均匀性;有机物降解池内壁设有气管37,可以外接常规气泵,对有机物降解池进行吹气,提高吸附降解效果。
至此,得到净水,排入调蓄池,调蓄池设有市政管道连接端38。
实施例二:参见图7,在实施例一的基础上,二级沉淀池设有污水量检测传感器39,调蓄池设有净水量检测传感器40,其余不变,得到城市雨水智能处理分析系统。
本发明实施例涉及的池都为规则方形,比如二级沉淀池、调蓄池,具有明确的横截面积,利用现有高度测量传感器(基士恩)可以得到城市污水高度,从而得到城市污水水量,同理,调蓄池也具有明确的横截面积,利用现有高度测量传感器(基士恩)可以得到净水高度,从而得到净水水量;如此,比较净水水量与城市污水水量,可以得到雨水水量,尤其是本发明公开的结构可以得到符合具体地形地貌的雨水水量,这是现有技术无法实现的,且本发明得到的结果偏差小,可以作为海绵城市等雨水水量参考依据。
实施例三:在实施例二的基础上,重金属沉淀池、有机物降解池分别设有水体重金属检测传感器、水体有机物检测传感器,其余不变,得到城市雨水智能处理分析系统。水体重金属检测传感器、水体有机物检测传感器都是市购产品,可以在线测试,也可以取样测试,为处理效果提供依据。
具体实施:购买2毫米厚塑料片,常规打孔,孔径为0.2毫米,从而得到微孔片,长宽与重金属沉淀池长宽相符,可以在重金属沉淀池内部上下位移;取根塑料管(固定杆),一端用热熔胶粘接在打孔的塑料片中部,从而稳定住微孔片;在重金属沉淀池上方外部安装工字型支架,支架横梁上安装升降电机,升降电机的升降杆与塑料管的另一端连接,从而带动微孔片上下;在塑料管上绑一根软管,软管一端与重金属沉淀池出水口连通、一端开口朝下。
将装有漂白粉的水溶性包覆膜放入承载框内,通过连接杆挂在二级沉淀池侧壁,承载框位于入水口下方。
将吸附催化剂装入网袋,为扁平型,网袋两端分别绑在有机物降解池内部,为两个网袋,间隔开。
在一级沉淀池侧壁装挂杆,微生物吸附膜固定在挂杆上;在蓄水池内部距离进水口30厘米的下方常规安装常规陶瓷过滤板(过滤精度30~80微米),为微小颗粒过滤板。
通过模拟常规城市生活污水以及雨水,验证本发明(实施例二)技术效果,常规城市生活污水来自苏州污水厂(典型的生活污水水质)、雨水从苏州大学雨水导口收集,同时没有设置土壤;本实施例涉及的检测方法为水处理常规检测方法,比如粪大肠菌群数采用多管发酵法(GB5750-85),TP的测定根据GB 11893-89,TN的测定根据GB 11894-89,化学需氧量的测定根据HJ 828-2017,SS的测试采用重量法(GB 11901-89);各项目控制标准如下。
Figure 885296dest_path_image001
首先将1.5L常规生活污水导入蓄水池中,微小颗粒过滤板过滤后用水泵抽至一级沉淀池,微生物吸附膜处理1小时后用水泵抽至二级沉淀池,利用2.5g漂白粉杀菌1小时。将0.8L雨水导入重金属沉淀池(在雨水管道上装一个漏斗模拟现有雨水导口,雨水从该漏斗加入),同时杀菌后的常规城市生活污水也用水泵抽至重金属沉淀池,加入1.5mg絮凝剂,开启气泵,20分钟后关闭,沉淀1小时,然后下降微孔片并抽水至已经放入吸附催化剂的有机物降解池,开启气泵,30分钟后关闭,然后开启氙灯处理1小时。处理后的净水排入调蓄池,利用高度测量传感器测量水高,计算得到净水为2.24L,减去同样方法计算的二级沉淀池的常规城市生活污水1.46L,为计算雨水量0.78L。
净水通过单向透水膜流入第二管道,然后被吸水棉吸收,调蓄池入水起20分钟后,发现灯芯管内的灯芯吸水棉表面有水渗出,说明本发明的结构可以实现水扩散,将水分散发至土壤中供绿植层生长使用。
常规生活污水、雨水在处理前都不符合上表中的雨污水基本控制项目一级排放B标准,提取上述调蓄池中的净水样本50ml,水体浊度平均值为1.6NTU,化学需氧量(COD)、总氮(TN)、总磷(TP)都符合一级排放A标准;粪大肠菌群数降到了426个/L,悬浮物降到了9.5mg/L,均达到一级排放标准。
首先将1.5L常规生活污水导入蓄水池中,微小颗粒过滤板过滤后用水泵抽至一级沉淀池,微生物吸附膜处理1小时后用水泵抽至二级沉淀池,利用2.5g漂白粉杀菌1小时,杀菌后的常规城市生活污水用水泵抽至重金属沉淀池,加入1.5mg絮凝剂,开启气泵,20分钟后关闭,沉淀1小时,然后下降微孔片并抽水至已经放入吸附催化剂的有机物降解池,开启气泵,30分钟后关闭,然后开启氙灯处理1小时。处理后的净水排入调蓄池,提取调蓄池中的净水样本50ml,将其与未经处理的污水进行对比发现。相较于未处理的常规城市生活污水,化学需氧量(COD)、总氮(TN)、总磷(TP)平均降低率(差值除以原始数值)分别为81.8%、61.6%、75.1%;粪大肠菌群数从171000个/L降到了395个/L,悬浮物从173.6mg/L降到了9.8mg/L,均达到一级排放标准;且未处理的常规城市生活污水检测到铜、锌、铁金属离子,调蓄池中的净水检测不到铜、锌、铁金属离子。如果将一级沉淀池、二级沉淀池位置对调,其余不变,相较于未处理的常规城市生活污水,按照上述实验过程得到的净水化学需氧量(COD)、总氮(TN)、总磷(TP)平均降低率分别为50.1%、46.3%、52.1%,未达到一级排放标准。如果不采用杀菌装置,直接倒入漂白粉,其余不变,在倒入过程存在粉末漂浮的危险情况,且二级沉淀池处理后,粪大肠菌群数为实施例二二级沉淀处理后的16倍。如果机物降解池不开启气泵(即不采用吹气管),其余不变,得到的净水化学需氧量(COD)为实施例二处理的1.28倍。
本发明创造性的采用现有部件开发了新的城市雨水智能处理装置及分析系统,在不采用复杂处理设备以及处理试剂的基础上,将城市生活污水以及雨水处理后,全部达到预期的排放A标准,为非显而易见的技术效果。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。

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  1. 一种城市雨水智能处理装置,包括绿植层、土壤以及雨水管道、蓄水池、一级沉淀池、二级沉淀池、重金属沉淀池、有机物降解池;所述雨水管道一端与二级沉淀池连通、另一端与重金属沉淀池连通;所述蓄水池、一级沉淀池、二级沉淀池依次连通;所述重金属沉淀池、有机物降解池依次连通;所述一级沉淀池的内部设置有微生物吸附膜,二级沉淀池的内部设置有杀菌装置,蓄水池的内部设置有微小颗粒过滤板,重金属沉淀池设有絮凝剂,有机物降解池设有光催化剂;杀菌装置包括紫外线杀菌设备、化学杀菌设备;所述化学杀菌设备由释放结构与位于释放结构内的杀菌剂组成;所述杀菌剂为漂白粉。
  2. 根据权利要求1所述城市雨水智能处理装置,其特征在于,所述城市雨水智能处理装置还包括调蓄池、第二管道、灯芯管;所述有机物降解池与调蓄池连通;所述调蓄池设有市政管道连接端;所述第二管道与调蓄池连通;所述灯芯管一端与第二管道连通;所述灯芯管位于土壤内,且位于雨水管道下方;所述重金属沉淀池的内部上方设置有微孔片;所述释放结构由连接杆、承载框、水溶性包覆膜组成;所述杀菌剂位于水溶性包覆膜内;所述连接杆一端与承载框连接、另一端与二级沉淀池侧壁连接;所述水溶性包覆膜位于承载框内。
  3. 根据权利要求2所述城市雨水智能处理装置,其特征在于,所述灯芯管与雨水管道的距离为15~20厘米;所述灯芯管为竖直设置;所述灯芯管的内部填充有灯芯吸水棉;所述第二管道与调蓄池界面处设有单向透水膜。
  4. 利用权利要求1所述城市雨水智能处理装置处理城市生活污水以及雨水的方法,其特征在于,包括以下步骤:
    (1)将城市生活污水注入蓄水池后,再经过一级沉淀池、二级沉淀池;然后通过雨水管道注入重金属沉淀池;
    (2)将雨水导口收集的雨水通过雨水管道注入重金属沉淀池;
    (3)将重金属沉淀池的水絮凝处理后注入有机物降解池,再经过光催化处理,完成城市生活污水以及雨水的处理。
  5. 一种城市雨水智能处理分析系统,包括绿植层、土壤以及雨水管道、蓄水池、一级沉淀池、二级沉淀池、重金属沉淀池、有机物降解池、调蓄池;所述雨水管道一端与二级沉淀池连通、另一端与重金属沉淀池连通;所述蓄水池、一级沉淀池、二级沉淀池依次连通;所述重金属沉淀池、有机物降解池依次连通;所述有机物降解池与调蓄池连通;所述一级沉淀池的内部设置有微生物吸附膜,二级沉淀池的内部设置有杀菌装置,蓄水池的内部设置有微小颗粒过滤板,重金属沉淀池设有絮凝剂,有机物降解池设有光催化剂;所述二级沉淀池设有污水量检测传感器;所述调蓄池设有净水量检测传感器;杀菌装置包括紫外线杀菌设备、化学杀菌设备;所述化学杀菌设备由释放结构与位于释放结构内的杀菌剂组成;所述杀菌剂为漂白粉。
  6. 根据权利要求5所述城市雨水智能处理分析系统,其特征在于,所述城市雨水智能处理装置还包括第二管道、灯芯管;所述调蓄池设有市政管道连接端;所述第二管道与调蓄池连通;所述灯芯管一端与第二管道连通;所述灯芯管位于土壤内,且位于雨水管道下方;所述重金属沉淀池的内部上方设置有微孔片。
  7. 根据权利要求6所述城市雨水智能处理分析系统,其特征在于,所述灯芯管与雨水管道的距离为15~20厘米;所述灯芯管为竖直设置;所述灯芯管的内部填充有灯芯吸水棉;所述第二管道与调蓄池界面处设有单向透水膜。
  8. 根据权利要求5所述城市雨水智能处理分析系统,其特征在于,所述释放结构由连接杆、承载框、水溶性包覆膜组成;所述杀菌剂位于水溶性包覆膜内;所述连接杆一端与承载框连接、另一端与二级沉淀池侧壁连接;所述水溶性包覆膜位于承载框内。
  9. 利用权利要求5所述城市雨水智能处理分析系统处理城市生活污水、雨水以及计算雨水量的方法,其特征在于,包括以下步骤:
    (1)将城市生活污水注入蓄水池后,再经过一级沉淀池、二级沉淀池;利用污水量检测传感器得到二级沉淀池内的污水量;然后二级沉淀池内的水通过雨水管道注入重金属沉淀池;
    (2)将雨水导口收集的雨水通过雨水管道注入重金属沉淀池;
    (3)将重金属沉淀池的水絮凝处理后注入有机物降解池,再经过光催化处理,完成城市生活污水以及雨水的处理;
    (4)将步骤(3)处理后的水注入调蓄池;
    (5)利用净水量检测传感器得到调蓄池内的净水量;净水量减去污水量,得到雨水量。
  10. 权利要求1所述城市雨水智能处理装置或者权利要求5所述城市雨水智能处理分析系统在城市雨水处理中的应用。
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