WO2012137570A1 - Dispositif de purification d'eau - Google Patents

Dispositif de purification d'eau Download PDF

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Publication number
WO2012137570A1
WO2012137570A1 PCT/JP2012/055783 JP2012055783W WO2012137570A1 WO 2012137570 A1 WO2012137570 A1 WO 2012137570A1 JP 2012055783 W JP2012055783 W JP 2012055783W WO 2012137570 A1 WO2012137570 A1 WO 2012137570A1
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WIPO (PCT)
Prior art keywords
flow path
water
water purifier
fluid
purification
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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/JP2012/055783
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English (en)
Japanese (ja)
Inventor
千尋 井
俊輔 森
実知子 尼木
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Panasonic Corp
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Panasonic Corp
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Priority to CN201280016730.XA priority Critical patent/CN103459325B/zh
Publication of WO2012137570A1 publication Critical patent/WO2012137570A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/005—Valves
    • 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
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/001—Upstream control, i.e. monitoring for predictive control
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/04—Oxidation reduction potential [ORP]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/11—Turbidity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/22—O2
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/23—O3
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/42—Liquid level
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/44—Time
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/44—Time
    • C02F2209/445—Filter life
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/046—Recirculation with an external loop
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F2303/04—Disinfection
    • 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
    • C02F2303/18—Removal of treatment agents after treatment

Definitions

  • This invention relates to the water purification apparatus provided with the purification
  • a water purification apparatus comprising a purification tank that contains cartridges such as coarse filtration membranes and activated carbon, a mineral tank that contains ore fragments, an ozone generator that generates ozone gas, and a microfiltration tank that contains fine filtration membranes Is known (see Patent Document 1).
  • raw water is circulated in the order of the purification tank, mineral tank, ozone generator, and microfiltration tank.
  • the ozone gas flowing out from the ozone generator circulates upstream of the purification tank, so that the inside of the water purification apparatus can be kept hygienic.
  • the flow path (so-called primary flow path) located upstream from the purification section is sterilized
  • the ozone gas generated by the ozone generator passes through the purification tank (activated carbon). It will be rendered harmless by passing.
  • the flow path (so-called secondary flow path) located on the downstream side of the purification tank is not easily sterilized by ozone gas, and the secondary flow path is not always hygienic.
  • this invention aims at provision of the water purifier which can sterilize the primary flow path located upstream from the purification
  • a water purifier includes a purifying unit that generates purified water by purifying raw water, a fluid generating unit that generates a fluid (for example, ozone gas) containing a sterilizing component, and purification.
  • a primary-side flow channel located upstream from the part a primary-side annular flow channel that guides fluid to the primary-side flow channel, a secondary-side flow channel located downstream from the purification unit, and a secondary-side flow channel
  • a secondary-side annular channel that guides the fluid, and the primary-side annular channel and the secondary-side annular channel communicate with the fluid generating unit.
  • the water purifier may further include an annular flow path that guides the fluid that has passed through the purification unit to the fluid generation unit.
  • the water purification apparatus may further include a discharge unit that discharges raw water or fluid to the outside, and the purification unit may be connected to the discharge unit.
  • the water purifier may further include a flow path switching mechanism that allows fluid to pass through either the primary flow path or the secondary flow path.
  • the water purifier may further include a primary side detection device that is provided in the primary side flow path and detects the concentration of the fluid.
  • the water purification device may further include a secondary side detection device that is provided in the secondary side flow path and detects the concentration of the fluid.
  • the purification section preferably has activated carbon that renders the fluid harmless.
  • the water purifier may further include a fluid detoxifying device that detoxifies the fluid.
  • the fluid detoxifying device may be configured to detoxify the fluid by generating ultraviolet rays.
  • the primary flow path positioned upstream from the purification section can be sterilized, and the secondary flow path positioned downstream from the purification section Can be sterilized reliably.
  • Drawing 1 is a lineblock diagram showing the water purifier concerning a 1st embodiment.
  • FIG. 2 is a block diagram showing the water purifier according to the first embodiment.
  • FIG. 3 is a configuration diagram illustrating a water purifier according to Modification 1 of the first embodiment.
  • FIG. 4 is a configuration diagram illustrating a water purifier according to Modification 2 of the first embodiment.
  • FIG. 5 is a configuration diagram illustrating a water purifier according to Modification 3 of the first embodiment.
  • Drawing 6 is a lineblock diagram showing the water purifier concerning a 2nd embodiment.
  • FIG. 7 is a configuration diagram illustrating a water purifier according to the third embodiment.
  • the water purifier 1 is a device for purifying raw water such as tap water.
  • the water purification apparatus 1 includes a purification unit 10 that generates purified water by purifying raw water.
  • the purification unit 10 includes a first cartridge 11, a second cartridge 12 containing activated carbon, and a third cartridge 13.
  • the first cartridge 11 and the second cartridge 12 contain activated carbon.
  • the third cartridge 13 includes RO (reverse osmosis), NF, UF (ultrafiltration), MF (microfiltration), and the like.
  • the third cartridge 13 is connected to each of the first cartridge 11 and the second cartridge 12 between the first cartridge 11 and the second cartridge 12.
  • a primary flow path 110 through which raw water passes is arranged upstream of the purification unit 10.
  • the primary side flow path 110 is connected to the first cartridge 11.
  • the primary channel 110 includes a raw water supply lid 20 that supplies raw water, a raw water reservoir 30 that stores the raw water supplied from the raw water supply lid 20, and a raw water stored in the raw water reservoir 30 on the downstream side.
  • a raw water pump 40 that feeds the water is disposed.
  • the raw water supply lid 20 is disposed on the upper part of the water purifier 1.
  • the raw water supplied to the raw water supply lid 20 flows into the raw water reservoir 30.
  • a raw water sensor 31 that detects the state of the raw water (for example, the water level and the amount of water) is provided.
  • the state of the raw water indicates general properties such as chemical components and physical and electrical properties of the raw water, and the raw water sensor 31 detects the state of the raw water by at least one of these properties. Any configuration may be used.
  • a raw water drain (discharge unit) 33 for discharging the raw water is connected to the raw water storage unit 30 through a raw water discharge pipe 32 through which the raw water passes.
  • a secondary side flow path 120 through which the purified water generated by the purification unit 10 passes is arranged downstream of the purification unit 10.
  • the secondary side flow path 120 is connected to the second cartridge 12.
  • a discharge unit 70 for discharging is disposed.
  • a purified water sensor 51 that detects the state of purified water (for example, the water level and the amount of water) is provided.
  • the state of purified water indicates general properties such as chemical components and physical and electrical properties of purified water as well as the state of raw water, and the purified water sensor 51 has purified water according to at least one of these properties. Any configuration may be used as long as the state is detected.
  • a purified water drain 53 that discharges purified water is connected to the purified water storage unit 50 via a purified water discharge pipe 52 through which the purified water passes. Moreover, the purified water storage part 50 is connected to the discharge part 70 via the purified water pump 60.
  • the discharge unit 70 is provided with a discharge port 71 that discharges purified water and a first backflow prevention valve 72 that seals the discharge port 71.
  • the water purifier 1 includes an ozone generation unit (fluid generation unit) 80 that generates ozone gas (fluid) containing a sterilizing component.
  • the ozone generator 80 generates ozone gas by an ozone ultraviolet method.
  • the ozone generation unit 80 injects ozone gas into the primary side flow path 110 located on the upstream side of the purification unit 10 and the secondary side flow path 120 located on the downstream side of the purification unit 10.
  • the ozone generation unit 80 communicates with a primary-side annular channel 81, a secondary-side annular channel 82, and a purification unit-side annular channel 83.
  • the primary-side annular flow path 81 guides the ozone gas generated by the ozone generation unit 80 to the primary-side flow path 110 (the raw water reservoir 30 in this embodiment).
  • the secondary-side annular flow path 82 guides the ozone gas generated by the ozone generation unit 80 to the secondary-side flow path 120.
  • the purification unit-side annular flow channel 83 guides the ozone gas that has passed through the purification unit 10 (the first cartridge 11 and the second cartridge 12) to the ozone generation unit 80 via the bypass valve 85.
  • a second backflow prevention valve 87 is disposed in a flow path that branches from the purification-unit-side annular flow path 83 and communicates with the second cartridge 12.
  • the water purification apparatus 1 includes an operation unit 90 that can operate (display) the water purification apparatus 1 and a control unit 100 that controls each unit and performs various calculations.
  • the operation unit 90 is configured to be able to select the normal mode or the sterilization mode, and transmits information including selection of the normal mode and the sterilization mode to the control unit 100.
  • normal mode shows the state which discharges the purified water produced
  • the sterilization mode refers to a state in which ozone gas is circulated in the water purifier 1.
  • the control unit 100 switches between the normal mode and the sterilization mode based on information from the operation unit 90.
  • the control unit 100 is configured by a computer having a CPU, a memory unit, a time measuring unit, and the like. Specifically, as shown in FIG. 2, the control unit 100 includes a raw water sensor 31, a raw water drain 33, a raw water pump 40, a water purification sensor 51, a water purification pump 60, a first backflow prevention valve 72, and an ozone generation unit 80.
  • the operation unit 90 is connected.
  • the purified water passes through the secondary side flow path 120 and is stored in the purified water storage section 50.
  • the purified water storage unit 50 for example, full
  • the raw water pump 40 stops.
  • the water purification pump 60 is activated, and the purified water in the purified water storage unit 50 is discharged from the discharge port 71 to the outside.
  • (1-2-2) Sterilization Mode When the sterilization mode is selected by the operation unit 90, the raw water in the raw water reservoir 30 is drained through the raw water discharge pipe 32. Moreover, the purified water in the purified water storage part 50 is drained through the purified water discharge pipe 52. And the ozone production
  • the ozone gas passes through the raw water reservoir 30 and the first cartridge 11 in order through the primary side annular flow path 81 and the primary side flow path 110.
  • the detoxified air passing through the first cartridge 11 by opening the bypass valve 85 disposed in the purification unit side annular flow path 83 passes through the purification unit side annular flow path 83 through the ozone generation unit 80.
  • the detoxification means that a substance (byproduct) that may adversely affect the human body is not present in the purified water discharged from the discharge port 71.
  • the ozone gas passes through the purified water reservoir 50 and the second cartridge 12 in this order via the secondary side annular flow path 82 and the secondary side flow path 120.
  • the detoxified air passing through the second cartridge 12 by opening the bypass valve 85 disposed in the purification unit side annular flow path 83 passes through the purification unit side annular flow path 83 through the ozone generation unit 80. To recirculate.
  • the primary-side annular flow path 81 and the secondary-side annular flow path 82 communicate with the ozone generation unit 80.
  • the ozone gas generated by the ozone generator 80 can be passed through the primary-side flow path 110 via the primary-side annular flow path 81, and to the secondary-side flow path 120 via the secondary-side annular flow path 82. Can be passed.
  • the primary side flow path 110 can be sterilized and the secondary side flow path 120 can also be sterilized reliably, the inside of the water purifier 1 can be kept hygienic.
  • the water purifier 1 includes a purification unit-side annular flow path 83 that guides ozone gas that has passed through the purification unit 10 to the ozone generation unit 80. Thereby, ozone gas can be circulated in the water purifier 1. For this reason, since ozone gas becomes difficult to leak to the exterior of the water purifier 1, safety can be improved. Moreover, compared with the case where gas is always inject
  • the purification unit 10 has activated carbon that renders ozone gas harmless. That is, the first cartridge 11 and the second cartridge 12 contain activated carbon. Thereby, the ozone gas which passes the 1st cartridge 11 and the 2nd cartridge 12 can be detoxified. For this reason, it is not necessary to further provide a device for detoxifying ozone gas in the water purifier 1. As a result, the manufacturing cost can be reduced as compared with the case where a device for detoxifying ozone gas is further provided.
  • the ozone gas concentration is prevented from excessively increasing in each of the primary side annular channel 81, the primary side channel 110, the secondary side annular channel 82, the secondary side channel 120, and the purification unit side annular channel 83. it can. For this reason, corrosion and deterioration in each flow path can be suppressed.
  • the water purifier 1 allows ozone gas to pass through the purification unit 10 even when the primary side flow path 110 is sterilized or the secondary side flow path 120 is sterilized. . Thereby, ozone gas can be rendered harmless, and in each flow path of the primary side flow path 81, the primary side flow path 110, the secondary side flow path 82, the secondary side flow path 120, and the purification part side flow path 83. Ozone gas can be prevented from staying.
  • the ozone gas passes through the raw water reservoir 30 and the raw water pump 40 in addition to the primary side annular flow path 81 and the primary side flow path 110.
  • the ozone gas passes through the purified water storage section 50 and the purified water pump 60 in addition to the secondary side annular flow path 82 and the secondary side flow path 120.
  • natural water pump 40, the purified water storage part 50, and the purified water pump 60 can also be sterilized.
  • the purification unit 10 communicates with the primary side flow path 110 and the secondary side flow path 120.
  • the purification unit 10 communicates with the raw water drain 33 (discharge unit).
  • cleaning part 10 is arrange
  • the raw water discharge pipe 32 is provided with a third backflow prevention valve 35 that prevents purified water discharged from the purification unit 10 from flowing into the raw water storage unit 30.
  • the third backflow prevention valve 35 is controlled by the control unit 100 so as to be opened and closed.
  • the purification unit 10 does not necessarily need to communicate with the purification unit drain pipe 32A branched from the raw water discharge pipe 32.
  • the purification unit 10 may communicate with a drain pipe branched from the purified water discharge pipe 52.
  • the purification unit drain pipe 32A communicates with the purification unit 10 and the raw water drain 33 is connected.
  • cleaning part 10 can be discharged
  • the water in the purification unit 10 can be discharged more efficiently by arranging the purification unit 10 at the lowest position in the water purifier 1A. For this reason, the primary side flow path 110 and the secondary side flow path 120 can be sterilized more reliably, without the ozone gas which passes the purification
  • the water purification apparatus 1B according to the second modification of the first embodiment further includes the following configuration. That is, as shown in FIG. 4, the water purifier 1 ⁇ / b> B has a flow path switching that allows ozone gas to pass through either the primary side circular path 81 and the primary side flow path 110 or the secondary side circular path 82 and the secondary side flow path 120.
  • a valve 86 (flow path switching mechanism) is provided.
  • the flow path switching valve 86 is connected to the control unit 100.
  • the control unit 100 allows ozone gas to pass through to the primary-side annular flow path 81 side, allows ozone gas to pass through to the secondary-side annular flow path 82 side, or seals the primary-side annular flow path 81 side and the secondary-side annular flow path 82 side. Determine whether.
  • the water purifier 1B according to the second modification of the first embodiment includes the flow path switching valve 86.
  • the case where only the primary side flow path 110 side is sterilized, or the case where only the secondary side flow path 120 side is sterilized can be selected.
  • the inside of the water purifier 1B can be sterilized more efficiently.
  • cleaning part 10 each cartridge
  • the water purifier 1 ⁇ / b> C further includes a primary side sensor 36 (primary side detection device) and a secondary side sensor 56 (secondary side detection device).
  • the primary side sensor 36 is provided in the primary side flow path 110 and detects the state of the primary side flow path 110 and the raw water reservoir 30 (for example, the quality and transparency of raw water, the ozone concentration).
  • the state of the raw water reservoir 30 indicates general properties such as chemical components and physical and electrical properties of the raw water, and the primary sensor 36 is in the state of the raw water according to at least one of these properties. Any configuration may be used as long as it is detected.
  • the primary side sensor 36 is provided in the raw water reservoir 30.
  • the secondary side sensor 56 is provided in the secondary side flow path 120 and detects the state of the secondary side flow path 120 and the water purification pump 60 (for example, the quality and transparency of the purified water, the ozone concentration).
  • the state of the secondary side flow path 120 and the water purification pump 60 indicates general properties such as chemical components and physical and electrical properties of the purified water, and the secondary side sensor 56 has the respective properties. What is necessary is just a structure which detects the state of purified water and the state of the purified water pump 60 by at least one.
  • the secondary sensor 56 is provided in the water purification pump 60.
  • a conductivity sensor and a transparency sensor for the primary side sensor 36 and the secondary side sensor 56, but besides this, a pH / ORP sensor, a sensor for detecting dissolved oxygen, or the like depending on the purpose. It may be.
  • the primary side sensor 36 and the secondary side sensor 56 are connected to the control unit 100.
  • the control unit 100 may control the opening and closing of the flow path switching valve 86 when it is determined that the sterilizable time has elapsed by the timer.
  • the control part 100 may control opening and closing of the flow-path switching valve 86, when it detects having sterilized by the density
  • the primary side sensor 36 is not necessarily provided in the raw water reservoir 30 as long as it can detect at least the state of the primary side flow path 110.
  • the primary sensor 36 may be installed in the primary channel 110 as a separate device from the water purifier 1 only when an operator grasps the state of the primary channel 110.
  • the secondary sensor 56 only needs to detect at least the state of the secondary flow path 120.
  • the primary side sensor 36 detects the state (The quality of raw water, transparency, ozone concentration) of the primary side flow path 110 or the raw
  • natural water storage part 30 can be measured.
  • the frequency of the sterilization mode can be changed or the sterilization power can be adjusted according to the use state of the water purifier 1C and the quality of the raw water.
  • the secondary side sensor 56 detects the state of the secondary side flow path 120 and the water purification pump 60 (purified water quality, transparency, ozone concentration). Thereby, the timing which sterilizes the secondary side flow path 120, the water purification pump 60, etc. by the state of the secondary side flow path 120 or the water purification pump 60 can also be measured.
  • control unit 100 may measure the timing of sterilization by comparing information measured by the primary side sensor 36 or the secondary side sensor 56 with information stored in advance.
  • the timing of sterilization may be a notification of the next sterilization time depending on the elapsed time after use of the sterilization mode, the frequency of use, or the like, or may be programmed in advance.
  • control part 100 may determine the abnormality and lifetime of each cartridge by monitoring the difference in the quality of raw water and purified water.
  • the purification unit-side annular flow channel 83 guides the ozone gas that has passed through the purification unit 10 to the ozone generation unit 80.
  • the purification unit-side annular flow channel 83 includes the first purification unit-side annular channel 83A and the second purification unit-side annular channel 83B.
  • the first purification unit side annular channel 83 ⁇ / b> A guides ozone gas that has passed through the primary side annular channel 81 and the raw water reservoir 30 to the purified water reservoir 50 via the raw water pump 40 and the bypass valve 85.
  • the second purification unit side annular flow path 83 ⁇ / b> B guides ozone gas flowing out from the purified water storage unit 50 to the ozone generation unit 80 via the bypass valve 88.
  • the first cartridge 11 and the second cartridge 12 are other than activated carbon.
  • RO reverse osmosis
  • NF NF
  • UF ultrafiltration
  • MF microfiltration
  • a fluid detoxifying device 57 for detoxifying ozone gas is provided in the purified water storage unit 50.
  • the fluid detoxifying device 57 is configured by a heater that detoxifies the ozone gas by heating the ozone gas.
  • the fluid detoxification device 57 does not necessarily need to be configured by a heater, and may be configured by, for example, a lamp or LED that decomposes ozone gas by generating ultraviolet rays.
  • the ozone gas is removed from the primary side flow path 81, the primary side flow path 110, the first purification unit side circular flow path 83A, and the purified water.
  • the water storage unit 50 (fluid detoxification device 57) is sequentially passed.
  • the ozone gas detoxified by the fluid detoxifying device 57 is circulated to the ozone generation unit 80 via the second purification unit side annular flow path 83B.
  • the ozone gas sequentially passes through the secondary side annular flow path 82, the secondary side flow path 120, and the purified water reservoir 50.
  • the ozone gas detoxified by the fluid detoxifying device 57 is circulated to the ozone generation unit 80 via the second purification unit side annular flow path 83B.
  • the ozone gas is purified by the purification unit 10 in the sterilization mode.
  • the liquid is rendered harmless by the fluid detoxifying device 57 without passing through.
  • cleaning part 10 can further be extended, without applying the burden by ozone gas to the purification
  • the purification unit-side annular flow channel 83 guides ozone gas that has passed through the purification unit 10 to the ozone generation unit 80.
  • the purification unit side annular flow channel 83 guides ozone gas that has passed through the purification unit 10 to the outside of the water purification device 3.
  • the water purifier 3 includes an ozone raw material pipe 84 that guides a gas such as air that is a raw material of ozone gas to the ozone generating unit 80.
  • generation part 80 can produce
  • the purification unit-side annular flow path 83 releases ozone gas to the outside of the water purification apparatus 3.
  • ozone gas that has not been rendered harmless even after passing through the purification unit 10 is provided with the primary-side annular flow channel 81, the primary-side flow channel 110, the secondary-side annular flow channel 82, the secondary-side flow channel 120, and the purification-unit-side annular flow channel 83. It is possible to prevent ozone gas from staying in each of the flow paths.
  • the water purifier according to each embodiment of the present invention can be modified as follows.
  • the water purifier may be configured to flow purified water for a certain period of time (for example, 10 seconds) immediately after the sterilization mode ends and switches to the normal mode.
  • the water purifier may be provided with a notification device that informs that ozone gas (sterilizing fluid) does not remain in the purified water by flowing purified water for a certain period of time.
  • cleaning part 10 does not necessarily need to be activated carbon, RO (reverse osmosis), NF, UF (ultrafiltration), MF (microfiltration), etc.
  • the purification unit 10 may be sand filtration, ion exchange resin, or the like.
  • the ozone generator 80 does not necessarily generate ozone gas by the ozone ultraviolet method.
  • the ozone generation unit 80 may generate ozone by a corona discharge method, a creeping discharge method, a glow discharge method, a silent discharge method, an arc discharge method, an ozone ultraviolet method, etc. Absent.
  • the ozone generator 80 is not limited to generating ozone gas, and may generate a gas having a sterilizing component such as ethylene oxide and formaldehyde. Moreover, the ozone production
  • the ozone generator 80 may be configured by a water electrolysis device that generates free chlorine, hydrogen peroxide, ozone, or the like.
  • a water electrolysis device that generates free chlorine, hydrogen peroxide, ozone, or the like.
  • titanium, platinum, iridium, carbon, and a mixture thereof can be used as the water electrolysis device, and any type can be used as long as it can generate hypochlorous acid, hydrogen peroxide, and ozone.

Landscapes

  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Physical Water Treatments (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

L'invention porte sur un dispositif de purification d'eau, lequel dispositif comprend une section de purification d'eau (10) pour produire de l'eau purifiée par purification d'eau brute, et une section de production d'ozone (80) pour produire un gaz ozone contenant un composant de stérilisation. La section de production d'ozone (80) communique avec une trajectoire de courant de retour amont (81) pour guider le gaz ozone vers une trajectoire d'écoulement amont (110) disposée en amont de la section de purification d'eau (10) et une trajectoire de courant de retour aval (82) pour guider le gaz ozone vers une trajectoire d'écoulement aval (120) disposée en aval de la section de purification d'eau (10).
PCT/JP2012/055783 2011-04-08 2012-03-07 Dispositif de purification d'eau Ceased WO2012137570A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280016730.XA CN103459325B (zh) 2011-04-08 2012-03-07 净水装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-086241 2011-04-08
JP2011086241A JP5645268B2 (ja) 2011-04-08 2011-04-08 浄水装置

Publications (1)

Publication Number Publication Date
WO2012137570A1 true WO2012137570A1 (fr) 2012-10-11

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JP (1) JP5645268B2 (fr)
CN (1) CN103459325B (fr)
WO (1) WO2012137570A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2015186260A1 (fr) * 2014-06-06 2015-12-10 三浦工業株式会社 Procédé de traitement des eaux usées et système de traitement des eaux usées

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JPH0364005U (fr) * 1989-10-25 1991-06-21
JPH1066980A (ja) * 1996-08-28 1998-03-10 Kurita Water Ind Ltd 超純水製造設備の殺菌装置
JPH11197656A (ja) * 1998-01-14 1999-07-27 Arusoa Oushou:Kk 家庭用浄水器
JP2001239137A (ja) * 2000-02-29 2001-09-04 Japan Organo Co Ltd 水処理方法および水処理装置

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Publication number Priority date Publication date Assignee Title
JPH07100456B2 (ja) * 1989-06-30 1995-11-01 日産自動車株式会社 発泡ウレタン充填車体構造
JPH04267990A (ja) * 1991-02-25 1992-09-24 Matsushita Electric Ind Co Ltd オゾン殺菌浄水器
JP3064005U (ja) * 1999-05-19 1999-12-14 岡崎 良弥 水浄化システム
CN2504265Y (zh) * 2001-05-17 2002-08-07 上海欧臣环境高科技有限责任公司 流程各级输入无氮氧化物衍生物的净水处理装置
CN2498148Y (zh) * 2001-05-17 2002-07-03 上海欧臣环境高科技有限责任公司 流程前三级输入无氮氧化物衍生物的净水处理装置
CN2498149Y (zh) * 2001-05-17 2002-07-03 上海欧臣环境高科技有限责任公司 流程前二级输入无氮氧化物衍生物的净水处理装置
CN2498147Y (zh) * 2001-05-17 2002-07-03 上海欧臣环境高科技有限责任公司 流程首尾级输入无氮氧化物衍生物的净水处理装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0364005U (fr) * 1989-10-25 1991-06-21
JPH1066980A (ja) * 1996-08-28 1998-03-10 Kurita Water Ind Ltd 超純水製造設備の殺菌装置
JPH11197656A (ja) * 1998-01-14 1999-07-27 Arusoa Oushou:Kk 家庭用浄水器
JP2001239137A (ja) * 2000-02-29 2001-09-04 Japan Organo Co Ltd 水処理方法および水処理装置

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JP2012217927A (ja) 2012-11-12
JP5645268B2 (ja) 2014-12-24
CN103459325B (zh) 2014-11-26
CN103459325A (zh) 2013-12-18

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