WO2017111406A1 - Appareil de traitement de trop-plein d'égout à grande vitesse à l'aide de charges flottantes artificielles d'une mousse particulaire écologique assurant la recyclabilité des ressources - Google Patents

Appareil de traitement de trop-plein d'égout à grande vitesse à l'aide de charges flottantes artificielles d'une mousse particulaire écologique assurant la recyclabilité des ressources Download PDF

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Publication number
WO2017111406A1
WO2017111406A1 PCT/KR2016/014855 KR2016014855W WO2017111406A1 WO 2017111406 A1 WO2017111406 A1 WO 2017111406A1 KR 2016014855 W KR2016014855 W KR 2016014855W WO 2017111406 A1 WO2017111406 A1 WO 2017111406A1
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Prior art keywords
tank
water
artificial
overflow water
filter
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PCT/KR2016/014855
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English (en)
Korean (ko)
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최성필
최경인
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최성필
최경인
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Publication of WO2017111406A1 publication Critical patent/WO2017111406A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
    • B01D24/16—Upward filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • 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
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Definitions

  • the present invention is to improve the water quality quickly by treating the pollutants in the sewage overflow water generated during rainfall at high speed, which is a two-stage compartment (drug injection rapid reaction tank and non-injection slow reaction tank) type agglomeration with agitation equipment
  • the reactor is formed to highly concentrate floc of contaminants such as various organic matters, suspended matter, coliforms, etc. in the overflow water, and in the filtration tank which is a late process, it is made of (waste) LCD glass or waste glass bottle.
  • the recycled multi-stage multi-layered artificial flotation media and the fine powder media sand are formed to form a partition, so that the flow of water flowed from the flocculation reactor through the overflow water pipe rises in an upflow manner, which causes the artificial media filter to be filtered at high speed.
  • Eco-friendly particulate foam artificial injured by resource recycling characterized in that A high speed treatment apparatus for sewage overflow water using ash.
  • the present invention minimizes the use of chemicals such as polymers that have been used for flocculation during high-speed filtration, thereby reducing costs (installation equipment and chemical costs, etc.) and maintenance costs according to the filtration process (sludge). Management costs, etc. due to the increase in the amount of generation, to prevent environmental pollution, as well as the safety and filtration efficiency of the operator is greatly improved.
  • the present invention is a rainfall overflow water generated in the confluence of roads, industrial areas, commercial areas, residential areas (accommodating a high concentration of various pollutants, after the sedimentation in the primary sedimentation site of the sewage treatment plant is not properly treated) It is characterized in that the sewage overflow water exceeding the treatment capacity of the sewage treatment plant during rainfall is treated at high speed by quickly performing the flocculation and filtration of the sewage that is discharged to the nearby stream without the state.
  • the point source is a pollution source that can be expressed as a single point of pollution discharge, such as household sewage and factory wastewater, it is a pollutant that is relatively easy to process because the movement path of the pollutant is clear.
  • the nonpoint source is a pollutant in which the pollutants on the ground surface are washed out by rainwater during rainfall, and are difficult to treat due to the concentration of the outflow during rainfall.
  • the pollutant in the case of a non-point source, the pollutant is distributed in a large area, and in the early stage of rainfall, various pollutants on the impervious surface are washed in the first-flush so that the pollutants are concentrated and in a large amount for a short time. It is discharged, and it is formed so that the width
  • the storage type is to remove particulate contaminants by sedimentation
  • the penetration type is a method of using the underground soil as a filter at the same time reducing rainwater discharge by increasing the underground penetration capacity.
  • the vegetation type is mainly a pretreatment method, such as a vegetation channel and vegetation filtration
  • the device type is a facility installed in a conduit, and is mainly applied to urban areas where rainwater flows through conduits. It can be divided into vortex type, precipitation type, filtration type and the like.
  • the device type mainly consists of a vortex type method of forming a vortex using centrifugal force to precipitate suspended matter and a filter type filter type of a cartridge type.
  • the conventional vortex type has a disadvantage in that the particulate matter is not easily removed when the vortex is not sufficiently generated, so that the removal efficiency is sharply lowered.
  • Vortex-type facilities are limited to remove fine contaminants, which make up most of the particulate matter.
  • the filtration-type facility has a disadvantage in that a rapid settling is difficult, such as a vortex-type facility, because the required capacity and the site of the device are large, and the filtration method is a surface filtration method, which makes it easy to block the occlusion.
  • rainfall runoff exceeding the normal treatment capacity (Q) of sewage pipes or sewage treatment plants contains high concentrations of pollutants deposited in sewage pipes, so that they are discharged to the discharge system without being properly treated in the mixed state with the sewage. If the sewage overflows are released, Nakdong River, Geum River, and Yeongsan River, which have a closed water drainage area, may cause severe eutrophication and red tide. In the long run, it is difficult to comply with the allowable effluent pollutant load of the total water quality system in force.
  • sewage overflow water accounts for about 3% to 6% of the amount of sewage inflows in Cheongcheon, and generates about 30% of sewage overflow loads (Camp, 1963) in Cheongcheon inflow solids.
  • Contaminants will be included, as shown in Table 1 below, in the early stages of rainfall, up to 30 times the sewage concentration generated in Cheoncheon will flow into the river at high concentrations.
  • the Minister of Environment may set and publicize standards that are less than the quality standards of discharged water for newly installed public sewage treatment facilities from July 17, 2014 to December 31, 2018.
  • the effluent water quality standards of the treatment facility are the waterfront area of the four major rivers such as water supply protection area, water conservation special measures area, and Han River water system, and the river flowing into Saemangeum project area.
  • biochemical oxygen demand (BOD) 60 mg / L or lower for the first time since July 17, 2014
  • biochemical oxygen demand (BOD) 40 mg / L or less for phase-increasing from January 1, 2024
  • treatment standards for E. coli were also applied.
  • Patent Publication No. 10-2009-0071017 In the overflow water treatment apparatus for treating contaminants contained in the overflow water of the combined sewer, Inlet for inflow of excess water exceeding the subsequent treatment capacity of the sewage treatment process, and A lower water treatment unit which is connected to a lower part of the treatment tank for filtering the incoming monthly water in an upflow manner, a lower water treatment unit that is installed in the lower part of the treatment tank and has a precipitation medium for filtering coarse contaminants among the overflowed water introduced into the treatment tank; An upper water treatment unit provided in the upper portion of the water treatment unit and having a floating filter for filtering fine contaminants, a discharge unit for discharging the overflowed water filtered through the upper water treatment unit, and a back washing unit for washing the lower water treatment unit and the upper water treatment unit Overflow water treatment apparatus including a is disclosed.
  • the filter bed is composed of two stages of the upper water treatment section and the lower water treatment section, which complicates the apparatus, and the water treatment section has two stages, so that the backwashing speed is slow. It is difficult for the contaminated material to pass through the lower water treatment unit completely, which may cause a problem of accumulation of contaminants between the upper water treatment unit and the lower water treatment unit. It is not possible to promote sedimentation, and the problem of sediment at the bottom of the treatment tank is easily swept by the inflow of water.
  • the present invention is to solve the above-described problems, the technical gist of the present invention to be able to quickly improve the water quality by treating the pollutants in the sewage overflow water generated during rainfall at high speed, which is a two-stage section Chemical injection rapid reaction tank and chemical non-injection slow reaction tank) are formed to highly concentrate floc of contaminants such as various organic matter, suspended matter, coliform group, etc.
  • the wastewater flowed from the coagulation reaction tank through the overflow water transfer pipe is formed to allow the (waste) LCD glass or waste glass bottles to be incorporated into the recycled multi-stage multilayer artificial flotation media and the fine powder media sand. While rising in the manner characterized in that the artificial infiltration filter is filtered at high speed
  • the purpose is to provide an environment-friendly particulate foam artificial injury-speed processing of sewage overflow device using the media with a recyclable resource.
  • the present invention minimizes the use of chemicals such as polymers that have been used for flocculation during high-speed filtration, thereby reducing costs (installation equipment and chemical costs, etc.) and maintenance costs according to the filtration process (sludge).
  • the purpose of the present invention is to provide a management cost due to the increased generation amount, to prevent environmental pollution, as well as to greatly improve the safety and filtration efficiency of the worker.
  • the present invention is a rainfall overflow water generated in the confluence of roads, industrial areas, commercial areas, residential areas (accommodating a high concentration of various pollutants, after the sedimentation in the primary sedimentation site of the sewage treatment plant is not properly treated) It is an object of the present invention to provide a high-speed treatment of sewage excess water exceeding the treatment capacity of the sewage treatment plant during rainfall by quickly performing flocculation and filtration on the sewage that is discharged to a nearby river without a state.
  • the present invention is to develop a technology that can comply with the effluent water quality standards of the simplified public treatment facility in the sewage law enforcement regulations amended from July 17, 2014, the sewage overflow water including rainfall runoff and sewage
  • the suspended solids have a higher specific gravity than the existing sewage, so the sedimentation characteristics have good sedimentation properties. have.
  • the present invention uses the (waste) LCD glass as an artificial injuries media, which is centered on the impact and sedimentation mechanisms for the solids strain and unit filtrate in the flotation media filled in the filtration tank.
  • the solids removed and detained in the filter media are removed from the contaminants by the air supplied from the lower part, transferred to the discharge water storage tank through the lower sludge drawing pipe, and concentrated dewatering treatment is carried out through the sludge storage tank of the existing process.
  • the purpose is to provide a simple and high speed operation such as adopting an ion sterilization facility capable of appropriately processing the coliform group contained in a large amount.
  • the (waste) LCD glass artificial injury media of the present invention plays a key role in the sewage overflow water treatment, by using the waste LCD panel generated by the disposal of LCD home appliances as raw materials to produce artificial injury media Its purpose is to improve the strength and durability of floating media and to contribute to conserving limited resources by recycling waste resources.
  • the high-speed treatment apparatus of the present invention is provided with a tank body 110 having an inflow pipe 111 and a drain pipe 112 to form a floc (floc: flocculation or condensation) with respect to the inflow of the overflowed water.
  • the tank body is formed to form a reaction zone (Zone) divided into two partitions by the inner partition wall 140, the lower end of the partition wall 140 is separated from the inner bottom surface of the tank body 110 to pass the overflow water
  • the flow path 150 is formed, and the rapid reaction tank (Z-1) into which the monthly water flows for the first time is mixed with a flocculant including PAC chemicals with respect to the reactive material and the colloidal material contained in the sewage overflow water.
  • Aggregation reaction tank 100 is formed to slow stirring at a speed of 60 to 60rpm to collide the fine flocculation particles of small flocs (Floc) to be mixed into a large flocs (Floc);
  • the housing tank 210 is formed so as to perform the main filtration process on the overflowed water in which the floc is formed, and the artificial injury filter medium 220 is formed in the interior of the housing tank 210 based on the partitioned space.
  • a filter sand (220-1) is stacked on the upper surface of the floating filter (220) and formed to remove and remove the solids in the filter bed by the center of the collision and settling mechanism of the solid by the sieving structure, the lower part of the housing tank (210)
  • the filter tank 200 to form a sludge settling section 230 having a discharge hole 231 and a sludge discharge pipe 232 so that the solid-liquid separated sludge is precipitated and discharged;
  • the drain pipe 112 and the upper inlet end 310 of the coagulation reaction tank 100 is to be connected, but the lower porous distribution end 320 enters through the upper portion of the filter tank 200 and then penetrates the artificial injury filter media 220.
  • Backwashing apparatus 400 for injecting high pressure air or washing water to remove the contaminants adsorbed on the outer peripheral surface of the filter medium by spraying the artificial air filter media (220) laminated in the filter tank 200 to restore or restore the filtration speed and function Wow; Is formed on one side of the filtration tank 200 so that the discharge pipe 510 is in communication with the vicinity of the upper water level of the housing tank 210, the discharge pipe 510 is formed to return to the backwash water against the discharge water on the line Disinfection treatment tank 500; It is made up.
  • the filtration tank 200 prevents the artificial levitation filter medium 220 and the filter medium sand 220-1 from being lifted upward by the water pressure of the overflow water, and to block the flow rate of the overflow water evenly to block the membrane and the wear ( a filter media upper supporter 240 on which weirs are formed;
  • the artificial media lower support member (250) forms a compartment in the housing tank (210) and has a barrier film formed thereon so as not to fall or be lost when built (filled); It is made up.
  • the overflow water transfer pipe 300 is formed so that the overflow water flows into the filter layer by drilling a hole having a diameter of 1mm to 30mm in a portion of the set outer peripheral surface.
  • the artificial injuries media 220 and media sand (220-1) is a foamed and fired at a high temperature by mixing the glass or / and waste LCD glass in a powder state, the particle size is 1mm ⁇ 70mm, the density at drying 0.3 g / cm 3 to 0.7g / cm 3, density of water at saturation of 0.9g / cm 3 to 1.2g / cm 3, porosity of 65% to 85%, compressive strength of 10kg / cm 2 to 30kg / cm 2,
  • the sand 220-1 is formed to be stacked and filled with a height of 10 to 20 cm on the upper surface of the artificial injury media material 220.
  • the coagulation reaction tank 100 has a water level detection sensor 160 is formed on one side, if the level of the water level due to the increase in the amount of contaminant collection of the filter tank 200 is detected above the set value to supply the supply of overflow water supplied to the filter tank Stop and operate the backwashing device 400 to clean the artificial injury mediator 220.
  • the backwashing device 400 is formed so that the air diffuser tube is formed when the washing with respect to the artificial injury filter medium 220, the high-pressure air is blown to the blower.
  • the disinfection treatment tank 500 is further provided with a backwashing supply device 540 so that the pump 530 is formed on one side so that the disinfection treatment water can be sprayed back into the filtration tank during backwashing.
  • the present invention is to treat the contaminants in the sewage overflow water generated during rainfall at a high speed so that the water quality can be improved quickly, which is a two-stage compartment (a chemical injection rapid reaction tank and a chemical non-injection slow reaction tank) having a stirring facility.
  • the flocculation reactor is formed to highly concentrate floc of contaminants such as various organic matters, suspended matter, coliforms, etc. in overflow water, and (waste) LCD glass or waste glass
  • the bottle was formed such that the recycled multi-stage multi-layered artificial flotation media and micropowder media sand were formed in a partitioned manner so that the overflow of water flowed from the flocculation tank through the overflow flow pipe rises in an upflow manner. There is an effect to be filtered.
  • the present invention minimizes the use of chemicals such as polymers that have been used for flocculation during high-speed filtration, thereby reducing costs (installation equipment and chemical costs, etc.) and maintenance costs according to the filtration process (sludge). Management costs, etc. due to the increase in the amount of generation, to prevent environmental pollution, as well as to greatly improve the safety and filtration efficiency of workers.
  • the present invention is to develop a technology that can comply with the effluent water quality standards of the simplified public treatment facility in the sewage law enforcement regulations amended from July 17, 2014, the sewage overflow water including rainfall runoff and sewage
  • the suspended solids have a high specific gravity of soil particles compared to the existing sewage, so that the sedimentation properties of the multi-layered media filled with the filter bed and the filter inflow particles can be induced in consideration of the good physical properties.
  • the present invention uses the (waste) LCD glass as an artificial injuries media, which is centered on the impact and sedimentation mechanisms for the solids strain and unit filtrate in the flotation media filled in the filtration tank.
  • the removal of solids and the detained solids in the media layer are simple such as removing the contaminants by the air supplied from the bottom, transferring them to the discharge water storage tank through the sludge drawing pipe at the bottom, and concentrating dehydration treatment through the sludge storage tank of the existing process. And high speed operation is possible.
  • the (waste) LCD glass artificial injury media of the present invention plays a key role in the sewage overflow water treatment, by using the waste LCD panel generated by the disposal of LCD home appliances as raw materials to produce artificial injury media There is an effect to improve the strength and durability of the floating media and to contribute to conserving limited resources by recycling waste resources.
  • the present invention has occurred in Cheongcheon-si as the sewage treatment rate reaches the level of developed countries as the government invests enormous finance to inflow and treat sewage generated from the point pollution source in Cheongcheon-si to the sewage treatment plant.
  • the problem of water pollution caused by sewage is gradually improving.
  • the present invention contributes to providing an economical and excellent technology by using environmentally friendly materials in the simplified public sewage treatment facility introduced to properly treat the sewage overflow water generated during rainfall, and the installation cost and facility installation of the simplified public sewage treatment facility. It is effective in reducing the site area and contributing to the improvement of stream and lake water quality, which are the downstream waters of sewage treatment plant.
  • FIG. 1 is an exemplary view of a high speed overflow water treatment apparatus according to the present invention
  • FIG. 4 is a side view of a filtration tank according to the present invention.
  • FIG. 5 is a process flow chart of a high speed water treatment apparatus according to the present invention.
  • Figure 6 is a real case example photograph applied to the high speed overflow water treatment apparatus according to the present invention.
  • Figure 7 is an illustration of the artificial injury media in accordance with the present invention.
  • the present invention is provided with a tank body 110 having an inlet pipe 111 and a drain pipe 112 to form a floc (floc: flocculation or condensation) with respect to the inflow of the overflowed water
  • the tank body is
  • the flow path 150 is formed to form a reaction zone (Zone) divided into two partitions by the inner partition wall 140, the lower end portion of the partition wall 140 is separated from the inner bottom surface of the tank body 110 so as to pass the overflow water
  • a flocculant including PAC chemical is mixed by the stirrer 130 having the impeller 131 with respect to the reactive material and the colloidal material contained in the sewage overflowed water.
  • the housing tank 210 is formed so as to perform the main filtration process on the overflowed water in which the floc is formed, and the artificial injury filter medium 220 is formed in the interior of the housing tank 210 based on the partitioned space.
  • a filter sand (220-1) is stacked on the upper surface of the floating filter (220) and formed to remove and remove the solids in the filter bed by the center of the collision and settling mechanism of the solid by the sieving structure, the lower part of the housing tank (210)
  • the filter tank 200 to form a sludge settling section 230 having a discharge hole 231 and a sludge discharge pipe 232 so that the solid-liquid separated sludge is precipitated and discharged;
  • the drain pipe 112 and the upper inlet end 310 of the coagulation reaction tank 100 is to be connected, but the lower porous distribution end 320 enters through the upper portion of the filter tank 200 and then penetrates the artificial injury filter media 220.
  • Backwashing apparatus 400 for injecting high pressure air or washing water to remove the contaminants adsorbed on the outer peripheral surface of the filter medium by spraying the artificial air filter media (220) laminated in the filter tank 200 to restore or restore the filtration speed and function Wow; Is formed on one side of the filtration tank 200 so that the discharge pipe 510 is in communication with the vicinity of the upper water level of the housing tank 210, the discharge pipe 510 is formed to return to the backwash water against the discharge water on the line Disinfection treatment tank 500; Consists of
  • the high speed treatment apparatus of the present invention is largely composed of a coagulation reaction tank and a filtration tank.
  • the agglomeration reaction tank 100 is to be provided with a tank body 110 having an inlet pipe 111 and the drain pipe 112 to form a floc (floc: flocculation or condensation) with respect to the incoming water flow, the tank body is It is formed to form a reaction zone (Zone) divided into two partitions by the inner partition wall (140).
  • a flow path 150 is formed at a lower end of the partition wall 140 so as to be partially spaced apart from the inner bottom surface of the tank body 110 so that the overflow water passes.
  • a flocculant including PAC chemicals is mixed with the reactive and colloidal substances contained in the sewage overflowed water to form a small floc by high-speed rotation of 200 rpm to 300 rpm. Is formed.
  • the slow reaction tank (Z-2) of the tank body is slowly stirred at a speed of 30rpm to 60rpm without injecting a separate chemical to a small floc transferred through the flow path 150 from the rapid reaction tank to form a small floc. It is formed to collide the fine condensation particles and mix into a large floc.
  • the agglomeration reaction tank 100 is provided with a water level detection sensor 160 on one side to supply the overflow water supplied to the filtration tank when the level of the water level due to the increase in the amount of contaminant collection of the filtration tank 200 is detected to be higher than a set value. It is formed to stop and operate the backwash apparatus 400 to be described later to clean the artificial injury media (220).
  • the coagulation reaction tank is a slow reaction tank that forms a coarse floc (Floc) by slowly mixing only a rapid reaction tank and agitator to form a fine floc (Floc) by rapidly mixing the overflow water and the inorganic coagulant using a high speed stirrer It is formed to have.
  • the rapid reaction tank preferably has a function for rapidly mixing the in-line mixer if necessary.
  • the drug supply unit may be provided with a facility for automatically introducing the medicine by the chemical pump after determining the amount of flocculant in proportional control method according to the inflow amount of the overflow water and the inflow water quality concentration.
  • Such drug tank is preferably formed to store the amount of medicine that can be used for about one month for each drug.
  • the filtration tank 200 is to be formed in the housing tank 210 to perform the main filtration process for the overflow water in which the floc is formed, the artificial injury mediator 220 based on the partitioned space inside the housing tank 210 It is formed to be built.
  • the media sand (220-1) is stacked on the upper surface of the artificial injuries media 220 is formed to remove the solids in the media layer by the center of the collision and settling mechanism of the solids by the sieve structure.
  • a sludge settling portion 230 having a discharge hole 231 and a sludge discharge pipe 232 is formed in the lower portion of the containment tank 210 so that the solid-liquid separated sludge is precipitated and discharged.
  • the sludge settling portion is precipitated in the lower part of the filter tank by the solid-liquid separation for a certain period of time, and then discharged to the outside at regular intervals using a pump during the filtration treatment, and a large amount of backwash water generated during backwashing It is formed to be provided with a discharge device to be discharged to the outside at one time.
  • the disinfection treatment tank is coupled to the rear end of the pipe drained after passing through the filter medium in the upstream flow through the overflow water transfer pipe, the overflow water is formed to be discharged into the river.
  • the filtration tank 200 to prevent the artificial levitation filter medium 220 and the filter medium sand (220-1) is lost to the upper by the water pressure of the overflow water, and to block the flow rate of the overflow water evenly to block the membrane and wear ( a filter media upper supporter 240 on which weirs are formed;
  • the artificial media lower support member (250) forms a compartment in the housing tank (210) and has a barrier film formed thereon so as not to fall or be lost when built (filled); It is made up.
  • the upper support of the filter medium is an LCD artificial flotation filter medium and the filter medium sand by the pressure of the overflow water or backwash water supplied in the process of filtration and backwashing in the process of filtering the overflow water in the filter tank upflow
  • a wear device is provided to install a blocking membrane with a screen or the like to prevent loss of the upper portion of the filtration tank, and to ensure stable water quality by equally adjusting the flow rate of the outflow.
  • the LCD artificial floatation media filled in the filter tank when used for a long time, some of the flocs may be adsorbed on the media, and the weight of the LCD artificial insulation media becomes heavier than water due to the attachment of the flocs. It may be lost to the bottom of the filtration tank.
  • the screen or the strainer is installed in the lower portion of the media to prevent this is formed to improve the above problems.
  • the artificial injuries filter medium 220 and the filter medium (220-1) is a mixture of glass or / and waste LCD glass in a powder state and foamed and fired at a high temperature, the particle size is 1mm ⁇ 70mm, the density at drying 0.3 g / cm 3 to 0.7g / cm 3, density of water at saturation of 0.9g / cm 3 to 1.2g / cm 3, porosity of 65% to 85%, compressive strength of 10kg / cm 2 to 30kg / cm 2, Sand (220-1) is characterized in that the filler is laminated to the height of 10 ⁇ 20cm on the upper surface of the artificial injury media (220).
  • the artificial injuries filter medium and the sand sand is crushed after foaming and firing the glass powder at a high temperature, the pores are rich and the surface area is very wide, it is possible to significantly increase the filtration rate.
  • the filtration speed can be increased to reduce the area of the facility, thereby improving the economic efficiency, and the power during backwashing. It will have the characteristics that can have the advantage that it takes small.
  • the overflow water transfer pipe 300 is such that the drain pipe 112 and the upper inlet end 310 of the coagulation reaction tank 100 is connected, the lower porous distribution stage 320 entered through the upper portion of the filter tank 200 After passing through the artificial injury mediator 220 is formed to be located inside the lower tank 210 to perform the upflow filtration process.
  • the overflow water transfer pipe 300 is formed so that the overflow water flows into the filter layer by drilling a hole having a diameter of 1mm to 30mm in a portion of the set outer peripheral surface.
  • the porous overflow water feed pipe is a plurality of holes are drilled for the set section so that when the overflow water flows into the filter tank to be discharged to the LCD artificial injury media layer through the plurality of holes, which is the inflow rate of raw water It is formed to increase the.
  • porous distribution end of the porous overflow water feed pipe is formed in the cross shape at the lower end, that is, near the lower support of the filter tank, it is preferable to be formed to be fixed to the side wall of the filter tank to prevent the separation by the hydraulic pressure.
  • the lower fixed water flow pipe is formed to minimize turbulent flow when the overflow water enters the filtration tank through the pipe.
  • the soil or foreign matter (floc) mixed in the overflow water is discharged through the pores (through holes) to induce rapid precipitation, while the sediment settled in the sediment portion of the filter tank is formed to prevent the flow up.
  • the overflow water transfer pipe is formed to prevent the back flow as well as the inlet blocking valve is formed to facilitate opening and closing the cleaner.
  • the overflow water transfer pipe of the present invention is formed so that the flow of the monthly water flows through the hole of the porous outer peripheral surface to be filtered while inflowing into the LCD artificial filter media layer, the remaining portion is transferred to the lower portion of the filter tank and discharged upwardly While being formed to minimize the fluidity of the floc precipitated in the lower part of the filter tank due to the incoming overflow water is formed to improve the precipitation effect.
  • the backwashing apparatus 400 may inject high pressure air or washing water to the artificial injury filter media 220 stacked in the filtration tank 200 to remove contaminants adsorbed on the outer circumferential surface of the filter media, or reset the filtration speed and function. It is formed to recover.
  • the backwashing device 400 is formed so that the air diffuser pipe is formed when the washing with respect to the artificial injury filter medium 220, the blower is formed so that the high pressure air is injected.
  • the LCD artificial backwash should be backwashed to remove contaminants collected between the LCD artificial backbone.
  • the supply of the overflow water supplied to the filtration tank is stopped using the inflow shutoff valve attached to the overflow water feed pipe. It is designed to clean LCD artificial injury media by supplying air and backwash water.
  • the valve of the overflow water feed pipe is closed for backwashing the LCD artificial injuries media, and the air is supplied through the air supply unit provided in the lower part of the filtration tank to flow the LCD artificial injuries media to remove the contaminants while removing the contaminants. It is fed from the top to separate contaminants and discharge them to the sludge discharge line under the filtration tank.
  • the backwash water may be supplied to the upper portion of the filtration tank again through the discharge pipe or may be provided with a separate backwash water supply device.
  • the air supply unit is provided with a blower for injecting air for cleaning the LCD artificial filtration media of the filtration tank and an air storage tank for storing the air made in the blower and to supply the air stored in the air storage tank to the filtration tank evenly. It is preferable to provide a lattice type diffuser pipe under the lower support part of the filtration tank.
  • the disinfection treatment tank 500 is formed on one side of the filtration tank 200 to allow the discharge pipe 510 to communicate with the vicinity of the upper water level of the housing tank 210, the discharge water on the ship's discharge pipe 510 And return to the backwash water.
  • the disinfection treatment tank 500 is further provided with a backwashing supply device 540 so that the pump 530 is formed on one side so that the disinfection treatment water can be sprayed back into the filtration tank during backwashing.
  • the present invention if rainfall runoff and sewage is mixed in the rainwater sewage collecting pipe flows into the sewage treatment plant, the remaining sewage overflow water except for the normal treatment (1Q) among the sewage is filtered at high speed using LCD artificial injuries. It is formed to process.
  • the present invention compares by calculating the land area required for the installation of the primary sedimentation basin of the sewage treatment plant presented on the sewage facility standard described above and the land area required for the application of the present invention, as shown in Table 3 below.
  • the present invention is to improve the water quality quickly by treating the pollutants in the sewage overflow water generated during rainfall at high speed, which is a two-stage compartment (drug injection rapid reaction tank and non-injection slow reaction tank) type agglomeration with agitation equipment
  • the reactor is formed to highly concentrate floc of contaminants such as various organic matters, suspended matter, coliforms, etc. in the overflow water, and in the filtration tank which is a late process, it is made of (waste) LCD glass or waste glass bottle.
  • the recycled multi-stage multi-layered artificial flotation media and the fine powder media sand are formed to form a partition, so that the flow of water flowed from the flocculation reactor through the overflow water pipe rises in an upflow manner, which causes the artificial media filter to be filtered at high speed. It is possible to use industrially.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Inorganic Chemistry (AREA)

Abstract

La présente invention concerne un appareil de traitement de trop-plein d'égout à grande vitesse à l'aide de charges flottantes artificielles d'une mousse particulaire écologique assurant la recyclabilité des ressources. L'objet de la présente invention concerne une amélioration rapide de la qualité de l'eau par traitement, à grande vitesse, des contaminants dans le trop-plein d'égout qui se produit durant une pluie. La présente invention est formée pour permettre à une cuve de réaction de coagulation de type à séparation en deux étapes (une cuve de réaction rapide du type à injection chimique et une cuve de réaction lente du type sans injection chimique) ayant un équipement de mélange afin d'enrichir fortement, dans un floc (coagulation ou condensation), les contaminants tels que des matières organiques, des matières flottantes et des bactéries coliformes diverses dans le trop-plein d'égout et comprend les charges flottantes artificielles de type à plusieurs étages et à plusieurs couches et un sable de charge du type poudre fine, qui sont recyclés à partir de (déchets de) verre LCD, de déchets de bouteilles de verre ou analogues, formés pour être encastrés tout en formant des blocs dans une cuve de filtration, qui est dans un processus ultérieur, de sorte que le trop-plein d'égout, ayant circulé de la cuve de réaction de coagulation à travers un tuyau de transfert de trop-plein, soit filtré à grande vitesse par les charges flottantes artificielles tout en s'élevant dans un écoulement allant vers le haut. Par conséquent, la présente invention minimise l'utilisation de produits chimiques, tels qu'un polymère ayant été utilisé pour former le floc lors de la filtration à grande vitesse, ce qui favorise une réduction des coûts (coûts de construction d'additifs à l'appareil, produits chimiques et analogues), selon un processus de filtration et une réduction des coûts de maintenance et de gestion (coûts de gestion et analogues dus à une augmentation de la quantité de boue produite), ce qui empêche la pollution de l'environnement et améliore considérablement la sécurité des opérateurs et l'efficacité de la filtration.
PCT/KR2016/014855 2015-12-22 2016-12-19 Appareil de traitement de trop-plein d'égout à grande vitesse à l'aide de charges flottantes artificielles d'une mousse particulaire écologique assurant la recyclabilité des ressources WO2017111406A1 (fr)

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KR1020150183638A KR101696189B1 (ko) 2015-12-22 2015-12-22 자원 재활용성을 갖는 친환경 입자상 발포 인공부상 여재를 이용한 하수 월류수의 고속처리장치
KR10-2015-0183638 2015-12-22

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CN113893608A (zh) * 2021-10-14 2022-01-07 中机国际工程设计研究院有限责任公司 悬浮快滤装置
CN114057323A (zh) * 2021-10-14 2022-02-18 中机国际工程设计研究院有限责任公司 絮体再絮凝悬浮快滤装置
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CN113636689A (zh) * 2021-10-14 2021-11-12 中机国际工程设计研究院有限责任公司 微涡流絮凝悬浮快滤装置
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CN114057323A (zh) * 2021-10-14 2022-02-18 中机国际工程设计研究院有限责任公司 絮体再絮凝悬浮快滤装置
CN113893608B (zh) * 2021-10-14 2022-08-12 中机国际工程设计研究院有限责任公司 悬浮快滤装置
CN114227972A (zh) * 2021-11-15 2022-03-25 高邮亚普塑业有限公司 一种医用pvc粒料生产用混合效果好的高速混合机

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