WO2017082380A1 - Procédé de désodorisation et dispositif de désodorisation - Google Patents

Procédé de désodorisation et dispositif de désodorisation Download PDF

Info

Publication number
WO2017082380A1
WO2017082380A1 PCT/JP2016/083483 JP2016083483W WO2017082380A1 WO 2017082380 A1 WO2017082380 A1 WO 2017082380A1 JP 2016083483 W JP2016083483 W JP 2016083483W WO 2017082380 A1 WO2017082380 A1 WO 2017082380A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultraviolet light
arc tube
gas
odor
light source
Prior art date
Application number
PCT/JP2016/083483
Other languages
English (en)
Japanese (ja)
Inventor
敬祐 内藤
菱沼　宣是
鈴木　信二
Original Assignee
ウシオ電機株式会社
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 ウシオ電機株式会社 filed Critical ウシオ電機株式会社
Priority to JP2017519575A priority Critical patent/JPWO2017082380A1/ja
Publication of WO2017082380A1 publication Critical patent/WO2017082380A1/fr

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel

Definitions

  • the present invention relates to a deodorizing method and a deodorizing apparatus for removing odor of a gas to be treated by irradiating the gas to be treated with ultraviolet rays.
  • a deodorizing device that removes an odor by irradiating ultraviolet rays is known as a deodorizing device that removes the odor of indoor air.
  • a light source provided with a low-pressure mercury lamp is known as a light source for irradiating ultraviolet rays (see Patent Document 1).
  • the ultraviolet rays emitted from the low-pressure mercury lamp are mercury spectral lines (wavelength 185 nm and / or wavelength 254 nm), and therefore the wavelength range of the ultraviolet rays is extremely narrow. For this reason, depending on the type of odor-causing substance, the causative substance does not sufficiently absorb ultraviolet light, that is, it is difficult to sufficiently decompose the causative substance, and as a result, it is difficult to remove odor with high efficiency. It is.
  • An object of the present invention is to provide a deodorizing method and a deodorizing apparatus capable of removing odor with high efficiency regardless of the kind of odor causing substance.
  • the deodorization method of the present invention is a deodorization method for removing the odor of the gas to be treated by irradiating the gas to be treated with ultraviolet rays
  • the ultraviolet ray includes light having a spectrum having a spectral band intensity having a spectral radiation intensity ratio of 0.5 or more within a wavelength range of 200 to 260 nm and having a ratio to a maximum value of the spectral radiation intensity of 0.5 or more,
  • an ultraviolet light source an arc tube, a pair of electrodes provided on the outer peripheral surface of the arc tube, a phosphor layer provided on the inner peripheral surface of the arc tube, and a rare gas sealed in the arc tube
  • the phosphor constituting the phosphor layer is a rare gas fluorescent lamp made of one or two substances selected from the group consisting of praseodymium-activated lanthanum phosphate and praseodymium-activated yttrium aluminoborate.
  • the ultraviolet light source further emits ultraviolet light having a wavelength in the range of 150 to 200 nm.
  • the deodorization apparatus of the present invention is a deodorization apparatus that removes the odor of the gas to be treated by irradiating the gas to be treated with ultraviolet rays,
  • An ultraviolet light source that irradiates ultraviolet rays to the gas to be processed flowing in the processing chamber,
  • the ultraviolet light source includes ultraviolet light including light having a spectrum having a spectral band intensity having a spectral radiation intensity ratio of 0.5 or more in a wavelength range of 200 to 260 nm and a ratio of the spectral radiation intensity to a maximum value of 0.5 or more.
  • the ultraviolet light source includes an arc tube, a pair of electrodes provided on an outer peripheral surface of the arc tube, a phosphor layer provided on an inner peripheral surface of the arc tube, and a rare gas sealed in the arc tube.
  • the phosphor constituting the phosphor layer is a rare gas fluorescent lamp made of one or two substances selected from the group consisting of praseodymium-activated lanthanum phosphate and praseodymium-activated yttrium aluminoborate. It is characterized by.
  • the ultraviolet light source further emits ultraviolet light having a wavelength in the range of 150 to 200 nm.
  • the gas to be treated is irradiated with ultraviolet light containing light having a spectrum having a specific wavelength bandwidth within a wavelength range of 200 to 260 nm by a specific rare gas fluorescent lamp.
  • the odor can be removed with high efficiency regardless of the type of the causative substance.
  • FIG. 1A is a cross-sectional view taken along the tube axis
  • FIG. 2B is a view perpendicular to the tube axis at a position indicated by XX in FIG.
  • FIG. 1 is an explanatory diagram showing an outline of a configuration in an example of the deodorizing apparatus of the present invention.
  • the deodorization apparatus includes a deodorization processing unit 20 in which a processing chamber S in which a gas to be processed G1 such as air flows is formed, and the deodorization processing unit connected to the deodorization processing unit 20 via a connecting unit 15. It is comprised by the gas introduction part 10 which introduces the to-be-processed gas G1 into 20 process chambers S.
  • the gas introduction unit 10 is provided with an air supply port 11 for supplying the gas G1 to be processed.
  • a gas flow path R through which the gas to be processed G ⁇ b> 1 flows is formed inside the gas introduction unit 10, and the fan 12 is disposed in the gas flow path R.
  • the deodorization processing unit 20 is provided with an exhaust port 21 for exhausting the processed gas.
  • an ultraviolet light source 30 that irradiates ultraviolet rays to the gas to be processed G1 flowing through the processing chamber S is provided inside the deodorizing unit 20.
  • the ultraviolet light source 30 has a spectrum (hereinafter referred to as a “specific spectrum”) having a wavelength band width of 5 nm or more having a spectral radiation intensity ratio of 0.5 or more in the wavelength range of 200 to 260 nm. ”) Is a rare gas fluorescent lamp that emits ultraviolet light including light.
  • FIG. 2A and 2B are explanatory views showing the configuration of an example of a rare gas fluorescent lamp, where FIG. 2A is a cross-sectional view cut along the tube axis, and FIG. 2B is a position indicated by XX in FIG. It is sectional drawing cut
  • the rare gas fluorescent lamp includes a circular arc tube 31 made of, for example, quartz glass and closed at both ends.
  • Protective films 34 and 35 made of glass are provided on the surfaces of the pair of electrodes 32 and 33.
  • the pair of electrodes 32 and 33 are electrically connected to the power source 39 via lead wires W1 and W2, respectively.
  • a glass layer 36 is provided on the inner peripheral surface of the arc tube 31.
  • a phosphor layer 37 is laminated on the glass layer 36.
  • the arc tube 31 is filled with a rare gas.
  • xenon gas can be used as the rare gas sealed in the arc tube 31 for example.
  • phosphor constituting the phosphor layer 37 praseodymium-activated lanthanum phosphate and praseodymium-activated yttrium aluminoborate are used. These substances can be used as a phosphor alone or in combination of two kinds.
  • the gas G1 to be processed outside the apparatus is introduced into the gas introduction unit 10 from the air supply port 11, flows through the gas flow path R, and further connected. It is supplied to the processing chamber S of the deodorization processing unit 20 through the unit 15.
  • the ultraviolet light source 30 irradiates the processing target gas G ⁇ b> 1 flowing through the processing chamber S with ultraviolet rays. Thereby, the causative substance of the odor in the to-be-processed gas G1 is decomposed
  • the flow rate of the gas G1 flowing through the processing chamber S is, for example, 4.5 m / s.
  • the illuminance of ultraviolet rays from the ultraviolet light source 30 is, for example, 2.76 mW / cm 2 at a position 65 mm away from the surface of the arc tube 31.
  • the gas to be treated G1 to be deodorized contains a substance that causes odor.
  • odor-causing substances include isovaleric acid, 2-nonenal, methyl mercaptan, ammonia, hydrogen sulfide, methyl sulfide, methyl disulfide, trimethylamine, acetaldehyde, propionaldehyde, normal butyraldehyde, isobutyraldehyde, normal barrel Examples include aldehyde, isovaleraldehyde, isobutanol, ethyl acetate, methyl isobutyl ketone, toluene, styrene, xylene, propionic acid, normal butyric acid, normal valeric acid, acetic acid, indole, and pyridine.
  • the treatment gas G1 is irradiated with ultraviolet rays including light having a specific spectrum by the ultraviolet light source 30, so that the odor can be efficiently generated regardless of the kind of the odor causing substance. Can be removed.
  • the ultraviolet light source 30 may further emit ultraviolet light within a wavelength range of 150 to 200 nm.
  • an ultraviolet light source 30 a configuration in which a part of excimer light generated in the arc tube 31 with a peak wavelength of 172 nm, for example, by a xenon gas is transmitted through the phosphor layer 37 and emitted to the outside is used. Can do.
  • an ultraviolet light source 30 that emits ultraviolet light within a wavelength range of 150 to 200 nm, ozone is generated by irradiating the oxygen contained in the gas to be treated with ultraviolet light.
  • the active oxygen species are generated by irradiating the ozone with light having a wavelength in the range of 200 to 260 nm emitted from the ultraviolet light source 30, and the odor-causing substance is decomposed by the active oxygen species.
  • the odor can be removed with higher efficiency.
  • a rare gas fluorescent lamp (a1) and a low-pressure mercury lamp (b1) having the following specifications were prepared.
  • Arc tube: Outer diameter 15mm
  • FIG. 3 shows the spectrum of ultraviolet rays emitted from the rare gas fluorescent lamp (a1)
  • FIG. 4 shows the spectrum of ultraviolet rays emitted from the low-pressure mercury lamp (b1).
  • the obtained experimental sample was placed on a horizontal table, and the rare gas fluorescent lamp (a1) was placed 65 mm away from the experimental sample. Then, the rare gas fluorescent lamp (a1) is turned on, and every time a predetermined time elapses, the odor sensor (manufactured by Shin Cosmo Electric, model: XP329III) is brought close to the experimental sample, and the odor level around the experimental sample is measured. Was measured. Further, the odor level around the experimental sample was measured in the same manner as described above except that the low-pressure mercury lamp (b1) was used instead of the rare gas fluorescent lamp (a1). Further, the odor level around the experimental sample was measured in the same manner as above except that the lamp was not turned on. The results are shown in Table 1 below. “Odor level” in Table 1 indicates the numerical value of the level display displayed on the odor sensor.
  • Example 2 The odor level around the experimental sample was measured in the same manner as in Experimental Example 1 except that 2-nonenal (manufactured by Wako Pure Chemicals, trans-2-nonenal) was used instead of isovaleric acid. The results are shown in Table 2 below. “Odor level” in Table 2 indicates the numerical value of the level display displayed on the odor sensor.
  • a deodorizer (A1) having the rare gas fluorescent lamp (a1) as an ultraviolet light source and a deodorizer (B1) having a low-pressure mercury lamp (b1) as an ultraviolet light source were produced.
  • reference numeral 50 denotes a rectangular box-shaped experimental container, and an opening / closing door is provided on the front surface thereof.
  • the internal volume of this experimental container 50 is 109L.
  • Reference numeral 51 denotes a petri dish having a lid, and its inner diameter is 90 mm.
  • the petri dish 51 contains a mixture of 200 mg of methyl mercaptan sodium (manufactured by Sigma-Aldrich Japan) in 30 mL of pure water as an odor-causing substance.
  • 52 is a fan that stirs the gas in the experimental container 50.
  • 53 is an installation location of a gas detection tube for methyl mercaptan (“detection tube for short time” manufactured by Gastec).
  • 55 is a deodorizing device.
  • a rare gas fluorescent lamp (a2) having the same specifications as the rare gas fluorescent lamp (a1) was prepared except that a praseodymium activated yttrium aluminoborate body was used instead of praseodymium activated lanthanum phosphate as the phosphor. .
  • the spectrum of the rare gas fluorescent lamp (a2) is shown in FIG.
  • a test similar to Experimental Examples 1 to 3 was conducted except that the rare gas fluorescent lamp (a2) was used instead of the rare gas fluorescent lamp (a1).
  • the low pressure mercury lamp (b1) was used, It was confirmed that the odor can be removed with high efficiency compared to the above.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

Le but de la présente invention est de fournir un procédé de désodorisation et un dispositif de désodorisation, aptes à éliminer une odeur avec une efficacité élevée indépendamment du type de substance responsable de l'odeur. Un procédé de désodorisation selon la présente invention permet d'éliminer une odeur par exposition d'un gaz à traiter à de la lumière ultraviolette, et est caractérisé par les éléments suivants : la lumière ultraviolette comprend une lumière ayant un spectre dans lequel la largeur d'une bande de longueur d'onde qui présente un rapport d'intensité de rayonnement spectral de 0,5 ou plus par rapport à la valeur maximale de l'intensité de rayonnement spectral est de 10 nm ou plus dans la plage de longueur d'onde de 200 à 260 nm ; et une lampe fluorescente à gaz rare, qui est composée d'un tube à arc, d'une paire d'électrodes placées sur la surface circonférentielle externe du tube à arc, d'une couche de phosphore prévue sur la surface circonférentielle interne du tube à arc, et d'un gaz rare scellé dans le tube à arc, le phosphore constituant la couche de phosphore étant composée d'un ou de plusieurs substances choisies dans le groupe constitué du phosphate de lanthane activé par praséodyme et de l'aluminoborate d'yttrium activé par praséodyme, est utilisée comme source de lumière ultraviolette.
PCT/JP2016/083483 2015-11-13 2016-11-11 Procédé de désodorisation et dispositif de désodorisation WO2017082380A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017519575A JPWO2017082380A1 (ja) 2015-11-13 2016-11-11 脱臭方法および脱臭装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015223040 2015-11-13
JP2015-223040 2015-11-13

Publications (1)

Publication Number Publication Date
WO2017082380A1 true WO2017082380A1 (fr) 2017-05-18

Family

ID=58695493

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/083483 WO2017082380A1 (fr) 2015-11-13 2016-11-11 Procédé de désodorisation et dispositif de désodorisation

Country Status (2)

Country Link
JP (1) JPWO2017082380A1 (fr)
WO (1) WO2017082380A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019193922A1 (fr) * 2018-04-02 2019-10-10 ウシオ電機株式会社 Générateur d'ozone, climatiseur et véhicule
JP2019182669A (ja) * 2018-04-02 2019-10-24 ウシオ電機株式会社 オゾン発生装置、空気調和装置、及び、車両
JP2019182670A (ja) * 2018-04-02 2019-10-24 ウシオ電機株式会社 オゾン発生装置、空気調和装置、及び、車両

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001052653A (ja) * 1999-08-05 2001-02-23 Toshiba Corp 紫外線発生装置
JP2002031931A (ja) * 2000-05-17 2002-01-31 Nexpress Solutions Llc 多色印刷機で見当合わせを調節するための方法及び装置
US20080258601A1 (en) * 2005-04-14 2008-10-23 Koninklijke Philips Electronics, N.V. Device for Generating Uvc Radiation
JP2012009372A (ja) * 2010-06-28 2012-01-12 Stanley Electric Co Ltd 紫外線放電ランプおよびその駆動方法
WO2014148325A1 (fr) * 2013-03-19 2014-09-25 ウシオ電機株式会社 Lampe à excimère fluorescent et appareil de traitement de fluide
JP2016215183A (ja) * 2015-05-18 2016-12-22 パナソニックＩｐマネジメント株式会社 紫外光照射装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002319371A (ja) * 2001-04-23 2002-10-31 Toshiba Lighting & Technology Corp 誘電体バリヤ放電ランプ、誘電体バリヤ放電ランプ点灯装置および紫外線照射装置
JP2012048831A (ja) * 2010-08-24 2012-03-08 Ushio Inc 蛍光ランプ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001052653A (ja) * 1999-08-05 2001-02-23 Toshiba Corp 紫外線発生装置
JP2002031931A (ja) * 2000-05-17 2002-01-31 Nexpress Solutions Llc 多色印刷機で見当合わせを調節するための方法及び装置
US20080258601A1 (en) * 2005-04-14 2008-10-23 Koninklijke Philips Electronics, N.V. Device for Generating Uvc Radiation
JP2012009372A (ja) * 2010-06-28 2012-01-12 Stanley Electric Co Ltd 紫外線放電ランプおよびその駆動方法
WO2014148325A1 (fr) * 2013-03-19 2014-09-25 ウシオ電機株式会社 Lampe à excimère fluorescent et appareil de traitement de fluide
JP2016215183A (ja) * 2015-05-18 2016-12-22 パナソニックＩｐマネジメント株式会社 紫外光照射装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019193922A1 (fr) * 2018-04-02 2019-10-10 ウシオ電機株式会社 Générateur d'ozone, climatiseur et véhicule
KR20190117585A (ko) * 2018-04-02 2019-10-16 우시오덴키 가부시키가이샤 오존 발생 장치, 공기 조화 장치, 및, 차량
JP2019182669A (ja) * 2018-04-02 2019-10-24 ウシオ電機株式会社 オゾン発生装置、空気調和装置、及び、車両
JP2019182670A (ja) * 2018-04-02 2019-10-24 ウシオ電機株式会社 オゾン発生装置、空気調和装置、及び、車両
CN110557944A (zh) * 2018-04-02 2019-12-10 优志旺电机株式会社 臭氧发生装置、空调装置及车辆
KR102218599B1 (ko) 2018-04-02 2021-02-22 우시오덴키 가부시키가이샤 오존 발생 장치, 공기 조화 장치, 및, 차량
US11339051B2 (en) 2018-04-02 2022-05-24 Ushio Denki Kabushiki Kaisha Ozone generating device, air conditioning device, and vehicle
CN110557944B (zh) * 2018-04-02 2023-04-14 优志旺电机株式会社 臭氧发生装置、空调装置及车辆

Also Published As

Publication number Publication date
JPWO2017082380A1 (ja) 2017-11-16

Similar Documents

Publication Publication Date Title
JP4647745B2 (ja) 水殺菌装置
JP6564663B2 (ja) エキシマランプ装置
WO2017082380A1 (fr) Procédé de désodorisation et dispositif de désodorisation
RU2006110110A (ru) Интеграторная система и способ быстрого определения эффективности гермицидной обработки
JPWO2019131124A1 (ja) 気体処理装置
CA2749283A1 (fr) Procede et appareil ameliores pour produire un niveau eleve de desinfection dans l'air et sur des surfaces
JP2001332216A (ja) 放電ランプ、光照射装置、殺菌装置、液体処理装置および空気清浄装置
WO2002053196A1 (fr) Dispositif desodorisant
JP2002025503A (ja) 紫外線を利用した処理装置
TW200600966A (en) Ultraviolet-ray irradiation device
JP2017086257A (ja) 殺菌方法
CN209917565U (zh) 气体处理装置
JP7145597B2 (ja) オゾン生成装置およびエキシマランプ点灯方法
JP7039849B2 (ja) 処理方法
JP2018038956A (ja) 液体処理装置
KR100374059B1 (ko) 코일전극을 내장한 관형 오존발생기
KR200165603Y1 (ko) 자외선 램프를 이용한 오존발생장치
RU2390498C2 (ru) Установка для обеззараживания воды ультрафиолетовым излучением
JP6301796B2 (ja) 有機化合物除去装置
KR200418654Y1 (ko) 플라즈마 방전소자
JPH09199033A (ja) 誘電体バリア放電ランプの製造方法
RU135917U1 (ru) Бактерицидный облучатель
RU226873U1 (ru) Ртутная газоразрядная лампа для санации воздуха и поверхностей
RU2770616C1 (ru) Ультрафиолетовая лампа для обеззараживания воздуха
JP2009285228A (ja) 殺菌消臭機

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2017519575

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16864341

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16864341

Country of ref document: EP

Kind code of ref document: A1