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WO2011112061A2 - Dispositif à eau propre et son procédé de commande - Google Patents

Dispositif à eau propre et son procédé de commande Download PDF

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Publication number
WO2011112061A2
WO2011112061A2 PCT/KR2011/001774 KR2011001774W WO2011112061A2 WO 2011112061 A2 WO2011112061 A2 WO 2011112061A2 KR 2011001774 W KR2011001774 W KR 2011001774W WO 2011112061 A2 WO2011112061 A2 WO 2011112061A2
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WO
WIPO (PCT)
Prior art keywords
water
opening
container
pipe
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/001774
Other languages
English (en)
Korean (ko)
Other versions
WO2011112061A3 (fr
Inventor
김기철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSRO Co Ltd
Original Assignee
DSRO Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DSRO Co Ltd filed Critical DSRO Co Ltd
Publication of WO2011112061A2 publication Critical patent/WO2011112061A2/fr
Publication of WO2011112061A3 publication Critical patent/WO2011112061A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B01D24/14—Downward filtration, the container having distribution or collection headers or pervious conduits
    • 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
    • B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • B01D24/008—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
    • 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
    • B01D24/4631—Counter-current flushing, e.g. by air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
    • 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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3225—Lamps immersed in an open channel, containing the liquid to be treated
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3227—Units with two or more lamps
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Definitions

  • the present invention relates to a water purifying apparatus and a control method thereof, and more particularly, to a water purifying apparatus capable of performing a multi-function such as a water purifying mode, a back washing mode, a washing mode, and a control method thereof.
  • Water such as tap water, drinking water, plant (vegetables) cultivation water, food processing water, swimming pool water, industrial water used in factories, etc., can be removed by contaminating various kinds of contaminants if purified water is processed before entering the process. It can solve the problem of water use caused by foreign substances in the body.
  • the present invention has been made in view of this need, so as to improve the problems of water use and to reduce the amount of water used.
  • the present invention provides a water purification device capable of purifying, backwashing and washing water, and in addition, a water purification device capable of simultaneously performing a sterilization function and a control method thereof.
  • the water purification device of the present invention a feed water pump for pressurizing the feed water; A container through which the feed water is drawn in through a first opening to which the feed water pump is connected and the purified water is discharged through a second opening; A filtration unit filling the inside of the container between the first opening and the second opening by filtering the feed water to generate the purified water; A sterilization unit installed inside the container together with the filtration unit; Includes, the purified water generated by the filtration unit and the sterilization by the sterilization unit is performed at the same time inside the container.
  • the supply water is supplied to the inside of the container through the first opening of the container connected to the feed water pump and the first pipe, the feed water is passed through the filtration unit to generate purified water, Discharging the purified water through a second opening of the container to a purified water outlet outside the container;
  • the backwash water is supplied to the inside of the container by the backwash water pump connected to the third opening of the container and the fifth pipe, and the backwash water flows in the direction toward the first opening that is the reverse direction of the water purification direction.
  • the filtration and sterilization can be performed at the same time, and since the sterilization can be performed at the time of water purification and backwashing, it is possible to block the possibility of bacteria propagation in the filtration unit early.
  • the third opening is separately provided and its installation position is optimized, it is possible to reduce the flow rate of the backwash water and to secure the strong backwashing power while reducing the electricity consumption.
  • the back-flush can be backwashed with low head pressure and the operating cost can be saved.
  • the sterilization unit when the sterilization unit is sterilized at the same time as the filtration or immediately after the filtration due to the characteristics of bacteria that grow exponentially with time, the sterilization effect can be maximized.
  • the sterilization unit when the sterilization unit is finished outside of the container, there is no function to wash the sterilization unit, so that foreign matters stuck to the lamp cannot be removed, but according to the present invention, the sterilization unit is installed inside the container and the sterilization unit at the time of back washing or washing. It is easy to remove foreign substances stuck on the surface.
  • 1 is a plan view of the water purifying apparatus of the present invention.
  • FIG. 2 is a side view of the water purification device of the present invention in which the water purification step is performed.
  • FIG 3 is a side view of the water purification device of the present invention in which a backwashing step is performed.
  • FIG. 4 is a side view of the water purification device of the present invention in which a washing step is performed.
  • Figure 5 is a side cross-sectional view showing the interior of the container of the present invention during the water purification step.
  • Figure 6 is a side cross-sectional view showing the interior of the vessel of the present invention during the backwashing step.
  • Figure 7 is a side cross-sectional view showing the interior of the container of the present invention during the washing step.
  • FIG. 8 is a side cross-sectional view showing one embodiment of the UV lamp of the present invention.
  • FIG. 1 is a plan view of the water purifying apparatus of the present invention.
  • 2 is a side view of the water purification device of the present invention in which the water purification step is performed.
  • 3 is a side view of the water purification device of the present invention in which a backwashing step is performed.
  • 4 is a side view of the water purification device of the present invention in which a washing step is performed.
  • Figure 5 is a side cross-sectional view showing the interior of the container 100 of the present invention during the water purification step.
  • Figure 6 is a side cross-sectional view showing the interior of the container 100 of the present invention during the backwashing step.
  • Figure 7 is a side cross-sectional view showing the interior of the container 100 of the present invention during the washing step.
  • 8 is a side cross-sectional view showing one embodiment of the UV lamps 310a and 310b of the present invention.
  • the water purification device of the present invention includes a vessel 100, a feed water pump 181, a filtration unit 200, a sterilization unit 300, and may further include a backwash pump 182.
  • the container 100 is supplied with supply water, which is the raw water of the water purification step, and the filtration unit 200 is installed.
  • the feed water supplied to the container 100 by the feed water pump 181 passes through the filtration unit 200 and is in a state in which the foreign matter is filtered.
  • the feed water is supplied to the first opening 110 and the purified water is discharged to the second opening 120.
  • the first opening 110 is positioned on the upper side along the height direction of the container 100 and is located below the container 100.
  • the second opening 120 is located, a flow force due to free fall of water can be obtained, which is more preferable.
  • the filtration unit 200 is to filter the feed water to generate purified water.
  • the filtration unit 200 is disposed between the first opening 110 and the second opening 120 and a plurality of filtration layers are stacked in the container 100.
  • the sterilization unit 300 is installed inside the container 100 together with the filtration unit 200, and the sterilization action of the purified water generated by the filtration unit 200 and the sterilization unit 300 is performed within the container 100. It is one of the main features that occurs simultaneously.
  • the backwash pump 182 pressurizes the backwash water and is provided separately from the feed water pump 181.
  • the backwashing refers to a washing process of rinsing out impurities accumulated in the filtration unit 200 by repetitive water purification operations. Rather than giving water flow in the same direction as the water purification step, the backwash water flows in the reverse direction of the water purification step so that foreign matter accumulated in the filtration unit 200 may easily fall.
  • a backwash water pump is provided separately from the feed water pump 181. Since the feed water pump 181 may supply purified water to a high height, for example, a large-capacity pump needs to be installed to have a high head, but the backwash water pump only supplies the backwash water to the inside of the container 100. It should be small enough to flow in. Rather than installing only a large-capacity supply water pump 181 and complicatedly installing valves and piping that can reverse the direction of water discharge, installing a small capacity backwash pump and adding simple piping accordingly By separately supplying backwash water according to an embodiment of the present invention can achieve a simple structure of the device and helps improve the durability of the device.
  • the feed water pump 181 is to use a high lift because the water must be sent to the destination, the backwash pump 182 may only use a low lift pump because it only needs to perform a backwash function, as described above If the backwash pump 182 is installed separately, it is not necessary to drive the high head feed water pump 181 during backwashing, so it is possible to backwash at a low head pressure to help protect the device and save electricity costs. There is an advantage to being able to perform backwashing.
  • the backwash water is supplied to the third opening 130 by the backwash pump 182.
  • the backwash water is discharged in the direction toward the first opening 110 from the third opening 130 which is the reverse direction in which the purified water is discharged, and the debris stuck to the filtration unit 200 by the flow of water in the reverse direction is easily separated and discharged. do.
  • the third opening 130 to which the backwash water is supplied is positioned between the first opening 110 and the second opening 120. If the backwashing water is supplied through the second opening 120 without providing the third opening 130, the pressure of the water passing through the strainer 260 or the gravel layer 250 is weakened, and thus the anthracite layer 210 or the There is a problem that the force pushing up the first sand layer 220 and the second sand layer 230 is lowered. Therefore, the backwashing efficiency is improved when the foreign material having a large particle size and a large mass can be sharply pushed upwards.
  • the third opening 130 is positioned above the strainer 260 or the gravel layer 250 and reversed. When the washing water is supplied, the sand layer or anthracite layer 210 in which large particles of foreign matter are deposited may be rapidly floated, thereby obtaining a strong backwashing force even when a small amount of backwashing water is supplied.
  • a 'washing step' That is, according to the installation position of the third opening 130, the foreign matter deposited on the strainer 260 or the gravel layer 250 may be floated with a strong force during the back washing, but the strainer 260 or the gravel layer 250 may be lifted. The deposited fine foreign matter is completely removed by the pressure of the fine water flowing in the same direction as the water purification direction.
  • the back washing allows the clean water to flow through the upper side of the filter unit 200 from which the foreign substances have been removed, and passes it through the strainer 260 or the gravel layer 250 in the water direction to achieve a complete washing effect.
  • the water purifying apparatus of the present invention performs only a water purification step, and periodically performs a backwashing first or a case where a large amount of foreign matter accumulates, and then adds a washing operation.
  • an optimized piping and valve structure is provided.
  • first pipe 141 to the fifth pipe 145 is provided, and each of the pipes is provided with a first valve 141a to a fifth valve 145a to open and close the pipe.
  • the first pipe 141 connects the feed water pump 181 and the first opening 110 and is opened and closed by the first valve 141a.
  • the second pipe 142 connects the drain part 150 and the first opening 110 and is opened and closed by the second valve 142a.
  • the drain unit 150 is located outside the container 100 and is a place where the backwash water discharged to the outside of the container 100 and the completed water are discarded.
  • the third pipe 143 connects the purified water outlet 160 and the second opening 120 to be opened and closed by the third valve 143a.
  • the purified water outlet 160 refers to the outlet of the container 100.
  • the fourth pipe 144 connects the drain part 150 and the second opening 120 and is opened and closed by the fourth valve 144a.
  • the fifth pipe 145 connects the backwash pump 182 and the third opening 130 and is opened and closed by the fifth valve 145a.
  • the first valve 141a and the third valve 143a are opened, and the second valve 142a, the fourth valve 144a, and the fifth valve 145a are opened. Is closed. Therefore, the feed water is filtered through a feed water pump 181, the first pipe 141, the first opening 110, the second opening 120 and the third pipe 143 in a sequential order and then purified water outlet ( 160).
  • the fifth valve 145a and the second valve 142a are opened, and the first valve 141a, the third valve 143a, and the fourth valve are opened. 144a is closed. Therefore, the backwash water is discharged to the drain 150 through the backwash pump 182, the fifth pipe 145, the third opening 130, the first opening 110, and the second pipe 142 sequentially. do.
  • the first valve 141a and the fourth valve 144a are opened, and the second valve 142a, the third valve 143a, and the fifth valve ( 145a) is closed. Therefore, the supply water is sequentially washed through the supply water pump 181, the first pipe 141, the first opening 110, the second opening 120 and the fourth pipe 144 to clean the container 100. Next, it is discharged to the drain 150.
  • the filter medium using minerals as the filter medium for effective water purification.
  • minerals as the filter medium for effective water purification.
  • at least one of garnet, anthracite, sand, and gravel may be used. These mineral filter media can pass water well and can be used semi-permanently, and keep the deposited position without foreign matter contained in the water flowing down.
  • the filtration unit 200 includes the anthracite layer 210, the first sand layer 220, the second sand layer 230, the garnet layer 240, the gravel layer 250, and the strainer 260.
  • the first opening 110 is sequentially stacked in the direction toward the second opening 120.
  • the anthracite layer 210 is a filter material made from coal as the first filtering out foreign substances having a large size exceeding the reference size among the foreign substances contained in the feed water.
  • the first filtration layer to filter only the particles of the largest size and to pass the foreign matter of the small size has the advantage that can utilize the entire layer of the filtration unit 200.
  • the particle size of the anthracite layer 210 is 0.75 mm on average.
  • Anthracite is a coal-based filter material, and is manufactured using coal species having a high degree of carbonization in coal, and thus contains a lot of fixed carbon and has a low ash content (ASH) belonging to impurities. Since carbon is a material that is highly resistant to corrosion such as water and chemicals, it is used as a filter medium using these characteristics.
  • Anthracite is a filter material of a physical treatment method.
  • the filtration speed is fast and the hardness is high, the wear loss of the particles is very small, the durability by the hydraulic pressure is large, the filtration rate does not decrease even when used for a long time.
  • the first sand layer 220 filters out foreign matter having a smaller size than the anthracite layer 210.
  • the sand is made of Jumunjin silica sand and its average particle size is 0.6mm.
  • the first sand layer 220 filters out foreign matter of the next size that is not filtered out of the anthracite layer 210.
  • the second sand layer 230 is composed of particles larger than the first sand layer 220 and suppresses the first sand layer 220 from flowing down to the garnet layer 240 below.
  • the sand is made of Jumunjin silica sand and its average particle size is 1mm.
  • the garnet layer 240 filters out foreign matter that has passed through the first sand layer 220 and the second sand layer 230, and is a filter material obtained by heat treating sand, and has an average particle size of 0.3 to 0.5 mm.
  • Garnet is also known as garnet, diamond or promotional stone. Garnet has a specific gravity of about 2.2-2.5, and does not show chemical reactions such as organic decomposition, and acts as a simple physical filter medium to remove fine suspended matter and suspended solids. Garnet is semi-permanent due to its high strength as a filter medium.
  • the chemical composition of garnets includes 71.8% SiO 2, 10.99% Al 2 O 3, Fe 3.32%, TiO 2 0.23%, MnO 0.08%, CaO 0.88%. Melting
  • the gravel layer 250 prevents the garnet layer 240 from flowing down to the lower strator.
  • the material is Jumunjin gravel with an average particle size of 1.5mm.
  • Strainer 260 is the final filtration of foreign matter, and serves to flow the purified water in only one direction. The water once passed through the strainer 260 toward the second opening 120 does not fall back to the strainer 260, thereby reducing the fluctuations in the discharge pressure and discharge of the purified water.
  • the feed water flows from the upper side to the lower side of the filtration unit 200.
  • This has the effect of adding the flow force due to the water's own weight, but the embodiment of the present invention is not limited to this positional relationship, and there may be various modifications such as reversing or transversing the stacking order of the filtration unit 200.
  • Sterilization unit 300 is shown in Figure 8 a very specific embodiment.
  • the sterilization unit 300 which allows the sterilization process to proceed simultaneously in the container 100 together with the filtration action of the filtration unit 200, has a UV lamp 310a installed downstream of the filtration unit 200. It is divided into one type or a type having a UV lamp 310b installed through the filtering part 200.
  • the UV lamps 310a and 310b are fixedly installed on the wall of the container 100, extend through the container 100 to the inside of the container 100, and emit ultraviolet rays into the container 100.
  • the UV lamps 310a and 310b include a UV light source 311 for emitting ultraviolet light, a tempered glass tube 312 into which the UV light source 311 is inserted, and a first flange 314 covering both ends of the tempered glass tube 312. And a sealing member 316 for sealing a connection portion between the second flange 315, at least one of the first flange 314, and the second flange 315 and the tempered glass tube 312, and the first flange 314. And a fastening rod extending by the separation distance of the second flange 315 and pressure-fastening the first flange 314 and the second flange 315 toward each other.
  • the UV lamps 310a and 310b are sheared by the pressure of the water pressurized by the feed water pump 181 or the backwash water pump, and the tempered glass tube 312 responds to the shear force and at the same time increases the transmission efficiency of ultraviolet rays. It also performs electrical isolation. Since the tempered glass tube 312 is weak in brittleness, the both ends of the tempered glass tube 312 are supported by the first flange 314 and the second flange 315 so as to further improve the shear force response characteristic, Employment further enhances durability.
  • the sealing member 316 prevents water from flowing into the interior of the UV lamps 310a and 310b and functions as an electrical insulation.
  • a power terminal 317 is provided at a portion exposed to the outside of the container 100 to supply power to the UV light source 311.
  • the purification step, backwashing step and washing step are carried out sequentially.
  • the water purification step supplies the supply water into the vessel 100 through the first opening 110 of the vessel 100 connected to the feed water pump 181 and the first pipe 141, and supplies the feed water to the filtration unit 200. ) To generate purified water, and discharge the purified water to the purified water outlet 160 outside the container 100 through the second opening 120 of the container 100.
  • the backwash water is supplied into the inside of the container 100 by a backwash water pump connected to the third opening 130 of the container 100 and the fifth pipe 145, and the backwash water is in the direction of generation of the purified water.
  • a backwash water pump connected to the third opening 130 of the container 100 and the fifth pipe 145, and the backwash water is in the direction of generation of the purified water.
  • Backwashing the filtration unit 200 while flowing in the direction toward the first opening 110 in the reverse direction the backwash water discharged from the first opening 110 to the first opening 110 and the second pipe 142.
  • a step is discharged to the connected drain portion 150.
  • the feed water supplied through the first opening 110 flows in the direction of the second opening 120 to clean the filtration unit 200, and the water discharged after the washing is discharged from the second opening 120 and the fourth pipe. Discharged to the drain portion 150 connected to 144.
  • the sterilization step is a step of sterilizing the inside of the container 100 by installing the sterilization unit 300 together with the filtration unit 200 inside the container 100 and emitting ultraviolet rays from the sterilization unit 300.
  • the sterilization step may be performed simultaneously with each of the water purification step, the backwashing step and the washing step, or may be performed at an empty time between each step.
  • the present invention saves water consumption (waste water) and electricity costs during backwashing, and reduces the operating cost, and is a device for supplying purified water of a large amount of water used for swimming pool or various industrial water (heavy water, rainwater, ground water). Components such as foreign matter, turbidity, and chromaticity are filtered by the filter unit 200, and at the same time, sterilization unit 300 that emits ultraviolet rays can sterilize pathogenic bacteria such as Escherichia coli, Vibrio bacteria, and Salmonella bacteria and general bacteria. .
  • Water introduced into the upper end of the filter unit 200 is first purified while passing through the filter medium in the filter unit 200, and passes through the strainer 260 provided below the filter unit 200 to lower the filter unit 200.
  • the second sterilization is disinfected in the UV lamps 310a and 310b installed through the filtration unit 200.
  • Installation area is reduced by integrating the filtration unit 200 and the sterilization unit 300, and the ultraviolet sterilization unit 300 can be operated even during the back washing, so that the contaminated water of the back washing water can be sterilized and filtered. It is possible to block the contamination of the part 200 before the washing step.

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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)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention porte sur un dispositif à eau propre comportant : une pompe à eau de distribution, qui met sous pression l'eau de distribution ; un contenant dans lequel l'eau de distribution entre par l'intermédiaire d'une première ouverture raccordée à la pompe à eau de distribution, et duquel l'eau propre est évacuée par l'intermédiaire d'une seconde ouverture ; une unité de filtration qui filtre l'eau de distribution et qui permet d'obtenir ainsi de l'eau propre, et qui remplit l'intérieur du contenant entre la première ouverture et la seconde ouverture ; une unité microbicide qui est placée à l'intérieur du contenant, conjointement avec l'unité de filtration. L'invention porte également sur un procédé de commande du dispositif à eau propre.
PCT/KR2011/001774 2010-03-12 2011-03-14 Dispositif à eau propre et son procédé de commande Ceased WO2011112061A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100022323A KR100989417B1 (ko) 2010-03-12 2010-03-12 정수 장치 및 그 제어 방법
KR10-2010-0022323 2010-03-12

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Publication Number Publication Date
WO2011112061A2 true WO2011112061A2 (fr) 2011-09-15
WO2011112061A3 WO2011112061A3 (fr) 2012-01-12

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WO (1) WO2011112061A2 (fr)

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CN107867773A (zh) * 2017-10-30 2018-04-03 长江大学 自洁净净水装置
IT201600102569A1 (it) * 2016-10-12 2018-04-12 Filippo Bussinelli Gruppo di filtraggio o purificazione di acqua

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CN102772926B (zh) * 2012-07-06 2015-11-11 宁波市川宁环保科技有限公司 适用于中水回用系统的过滤设备
KR102644049B1 (ko) * 2023-11-07 2024-03-07 대양엔바이오 주식회사 역세척시 마이크로버블 상승속도를 향상시키는 활성탄 감압밀폐탱크식 원수 중력여과장치 및 방법
KR102649539B1 (ko) * 2023-11-07 2024-03-21 대양엔바이오 주식회사 역세척시 마이크로버블 상승속도를 향상시키는 대나무 활성탄 감압밀폐탱크식 원수 중력여과장치 및 방법

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KR100226959B1 (ko) * 1991-07-15 1999-10-15 김창수 급수탱크의 정수장치
KR20010056230A (ko) * 1999-12-09 2001-07-04 최윤찬 일체식 타워형 수처리 장치 및 방법
KR100512027B1 (ko) * 2003-12-08 2005-09-05 강동열 물탱크용 상수도 정수처리 시스템
KR100868698B1 (ko) * 2007-01-23 2008-11-13 주식회사 건양기술공사 건축사사무소 세라믹필터와 자외선램프를 이용한 여과장치

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IT201600102569A1 (it) * 2016-10-12 2018-04-12 Filippo Bussinelli Gruppo di filtraggio o purificazione di acqua
CN107867773A (zh) * 2017-10-30 2018-04-03 长江大学 自洁净净水装置

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