JP4355315B2 - 流体浄化装置 - Google Patents
流体浄化装置 Download PDFInfo
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- JP4355315B2 JP4355315B2 JP2005372235A JP2005372235A JP4355315B2 JP 4355315 B2 JP4355315 B2 JP 4355315B2 JP 2005372235 A JP2005372235 A JP 2005372235A JP 2005372235 A JP2005372235 A JP 2005372235A JP 4355315 B2 JP4355315 B2 JP 4355315B2
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- 239000012530 fluid Substances 0.000 title claims description 65
- 238000000746 purification Methods 0.000 title claims description 55
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 67
- 239000000463 material Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/10—Preparation of ozone
- C01B13/11—Preparation of ozone by electric discharge
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/10—Dischargers used for production of ozone
- C01B2201/14—Concentric/tubular dischargers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3222—Units using UV-light emitting diodes [LED]
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/784—Diffusers or nozzles for ozonation
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
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- Environmental & Geological Engineering (AREA)
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- Treatment Of Water By Oxidation Or Reduction (AREA)
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
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Description
この水浄化装置は、光触媒と、蛍光灯や紫外線ランプからなる光源によって被浄化水を浄化するようにしている。
この水処理装置は、オゾン注入手段により被処理水にオゾンを注入し、透明に形成した反応容器の外面から紫外線を照射して反応容器内の大表面積材料の表面に光触媒を生成することにより、オゾンと光触媒によって被処理水の浄化を行っている。
この流体浄化装置は、内筒内に光触媒を設置し、オゾンを発生させるための放電により発生した紫外線を利用してこの光触媒を活性化して機能させるようにし、オゾンと光触媒によって被処理流体の浄化を行っている。
一方、内筒の内面側に電極を密着させると、無声放電となって音の発生の問題は解決できるが、この場合において内筒内面側の電極を高圧側に帯電させると、内筒内部を流れる流体が液体である場合、この液体が高圧に帯電し、この結果、内筒を接続されている配管が高圧に帯電して危険な状態になるおそれがあった。また、このように内面側を高圧に帯電させると保護装置が必要になるが、この保護装置の装着が困難となっていた。
また、外筒を高圧側に帯電させるようにしたとしても、外筒の外部側に悪影響を及ぼすおそれがあるため、高圧電源の保護装置が必要になっていた。
図1において、本発明の流体浄化装置を利用した流体浄化システムの概念図を示しており、この流体浄化システム1は、水などの液体を被処理流体として処理するものであって、本実施形態においては、温泉や健康施設等において利用され、循環する風呂の湯を被処理流体(被処理水)Wとして処理するようにしたものである。
この場合、図5に示すように、空間の間隔を0.6〜1.5mm程度の範囲に設けるのが最も望ましく、異なる電圧に対しても収率比が高まり、後述するオゾンの発生量を多くすることができる。
電極30の材料としては、例えば、ステンレス製とし、これを薄膜状に形成したものを使用しているが、これ以外にも、ニッケルクロムを真空蒸着にて装着することで放電にもオゾンにも強い薄膜を形成することが可能となる。その他の材料としては、アルミや銅、或はチタン等を使用することもできるが、アルミや銅を使用する場合には耐オゾン用として、塗装等による表面処理を行うことが必要になる。ただし、空気や酸素の水分含有率が低ければ問題なく使用できる。
大表面積材料31は、細状に形成することによりオゾンとの反応性が高くなり、確実に光触媒32を形成できる。
オゾン供給口21bは、流体流路29に連通し、この流体流路29を流れる被処理水Wにオゾンを混合可能に設けている。
このとき、高圧電源24によって外筒28に設けた電極30をプラスに帯電させると、内筒27の流体流路29を流れる被処理水Wがアース電極となってマイナスに帯電し、電極30からアース電極(被処理水W)に向って放電が行われる。この放電は、電極30が帯状であることと被処理水Wが液体であることにより無声放電となり、この放電区間を気体が通過することによりオゾンが生成される。
このとき、内筒27と外筒28を透明或は半透明のガラス材料によって形成しているので、紫外線光源34からの紫外光を高い効率で光触媒32に照射することができ、光触媒32の機能を向上させている。
大表面積材料31は、表面の光触媒32が剥離した場合でも、露出したチタン原子に対して被処理水W中のオゾンが酸化反応して、大表面積材料31の表面に二酸化チタンによる光触媒32を常時発生させることができる。
オゾンは殺菌力が強く、浄化力が非常に高い。また、有機物の分解もできるため、循環水の浄化、上下水道の浄化、殺菌等に大きな効果がある。しかし、ある種の酸化物や有機物でオゾンに反応しない物質もあり、温泉等の循環水では泉質により処理できないものもある。この場合、オゾンと光触媒32を複合することでほとんどの泉質に対応することができる。
この流体浄化システム40は、コンプレッサ15によって0.2〜1MPa程度に空気を加圧したのちに流量制御機16に送り、この流量制御機16によって1〜20l/minに流量調節して内筒27と外筒28の空間Sにこの空気を流すようにし、これにより、通常のエアポンプやエジェクターによる吸い込みのみを行う場合に比較して1.3〜1.5倍程度のオゾンの発生量が得られる。
図4のグラフの条件としては、使用するコンプレッサ15の圧力を0.5MPaにしたときの効果であるが、この圧力を高くすることによって発生量をより増加させることができる。
更には、図示しない酸素ボンベや酸素発生器(一般的には、PSA装置)を用いてオゾンの発生を増やすこともできる。
その上、外筒28の外部には紫外線光源34を別途設けているため、この紫外線光源34からの強い紫外光によって被処理水Wを殺菌・浄化することもでき、その浄化効果を一層高めている。
更に、酸素を原料とした場合、15g/h程度のオゾン発生量が得られ、300t程度の浴槽まで対応できる。
この場合、外筒の内側の一部又は全周に導電性部材を取付けて一方の電極とし、内筒の内側に外筒の電極と同等又はそれ以上の幅の導電性部材を取付けて他方の電極として、この電極間に電圧を加えて内筒と外筒の空間に放電してオゾンを発生させ、このオゾンを内筒内部を流れる気体に混合することで気体浄化機能を発揮することができる。
15 コンプレッサ(機器)
16 流体制御機
17 エアドライヤ
27 内筒
28 外筒
30 電極
32 光触媒
34 紫外線光源
S 空間
W 被処理流体
Claims (1)
- 内筒と外筒を紫外線を透過する透明のガラス材料によって形成し、この内筒と外筒との間に所定の空間を設けて内外筒を同芯上に設け、前記外筒の外周側に紫外線光源を配置し、かつ、外筒の内周面の一部に略10〜50mm程度の外筒の軸方向に沿った幅を有する帯状の導電性材料からなる電極を取付け、前記内筒内には、チタンまたはチタン合金製の大表面積材料を設け、かつ、内筒内を流れる液体をアース電極として放電させて前記空間を流れる酸素と反応させることによりオゾンを生成させ、このオゾンを前記内筒内の液体と混合させると共に、放電による紫外線と前記紫外線光源からの紫外線の双方によって、前記内筒内の液体の浄化と前記大表面積材料の光触媒機能を発揮させるようにしたことを特徴とする流体浄化装置。
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JP2005372235A JP4355315B2 (ja) | 2005-12-26 | 2005-12-26 | 流体浄化装置 |
GB0813498A GB2447824B (en) | 2005-12-26 | 2006-12-18 | Fluid purification device and fluid purification method |
US12/087,110 US8282879B2 (en) | 2005-12-26 | 2006-12-18 | Fluid purification device and fluid purification method |
KR1020087018357A KR101440406B1 (ko) | 2005-12-26 | 2006-12-18 | 유체 정화 장치 및 유체 정화 방법 |
PCT/JP2006/325174 WO2007074669A1 (ja) | 2005-12-26 | 2006-12-18 | 流体浄化装置並びに流体浄化方法 |
DE112006003564T DE112006003564T5 (de) | 2005-12-26 | 2006-12-18 | Fluidreinigungsvorrichtung und Fluidreinigungsverfahren |
CN2006800525662A CN101365654B (zh) | 2005-12-26 | 2006-12-18 | 流体净化装置及流体净化方法 |
TW095147700A TWI403466B (zh) | 2005-12-26 | 2006-12-19 | Fluid purification device and fluid purification method |
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JP2005372235A JP4355315B2 (ja) | 2005-12-26 | 2005-12-26 | 流体浄化装置 |
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JP4355315B2 true JP4355315B2 (ja) | 2009-10-28 |
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JP (1) | JP4355315B2 (ja) |
KR (1) | KR101440406B1 (ja) |
CN (1) | CN101365654B (ja) |
DE (1) | DE112006003564T5 (ja) |
GB (1) | GB2447824B (ja) |
TW (1) | TWI403466B (ja) |
WO (1) | WO2007074669A1 (ja) |
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JPH0889725A (ja) * | 1994-09-27 | 1996-04-09 | Matsushita Electric Ind Co Ltd | 水浄化装置 |
JP2000354747A (ja) * | 1999-06-15 | 2000-12-26 | Ishigaki Co Ltd | オゾンガス溶解装置 |
JP4229363B2 (ja) | 2002-11-08 | 2009-02-25 | 正夫 土屋 | 水処理装置 |
JP4093409B2 (ja) * | 2003-01-21 | 2008-06-04 | 正夫 土屋 | 流体浄化方法および流体浄化装置 |
TWM246338U (en) * | 2003-12-11 | 2004-10-11 | Bi-Chiou Lin | Optically catalyzed water purification lamp and auxiliary device |
TWM257634U (en) * | 2004-04-27 | 2005-03-01 | Litten Inc | Water-treating device comprising light catalyst |
-
2005
- 2005-12-26 JP JP2005372235A patent/JP4355315B2/ja active Active
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2006
- 2006-12-18 GB GB0813498A patent/GB2447824B/en not_active Expired - Fee Related
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- 2006-12-18 KR KR1020087018357A patent/KR101440406B1/ko active IP Right Grant
- 2006-12-18 DE DE112006003564T patent/DE112006003564T5/de not_active Withdrawn
- 2006-12-18 CN CN2006800525662A patent/CN101365654B/zh not_active Expired - Fee Related
- 2006-12-18 WO PCT/JP2006/325174 patent/WO2007074669A1/ja active Application Filing
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Also Published As
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---|---|
DE112006003564T5 (de) | 2008-10-30 |
GB2447824B (en) | 2011-03-23 |
US20090269240A1 (en) | 2009-10-29 |
CN101365654A (zh) | 2009-02-11 |
KR101440406B1 (ko) | 2014-09-15 |
CN101365654B (zh) | 2012-09-19 |
GB0813498D0 (en) | 2008-08-27 |
KR20080091162A (ko) | 2008-10-09 |
JP2007167807A (ja) | 2007-07-05 |
US8282879B2 (en) | 2012-10-09 |
GB2447824A (en) | 2008-09-24 |
WO2007074669A1 (ja) | 2007-07-05 |
TW200734276A (en) | 2007-09-16 |
TWI403466B (zh) | 2013-08-01 |
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