WO2007091472A1 - Appareil de désodorisation fonctionnant à l'ozone - Google Patents

Appareil de désodorisation fonctionnant à l'ozone Download PDF

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Publication number
WO2007091472A1
WO2007091472A1 PCT/JP2007/051666 JP2007051666W WO2007091472A1 WO 2007091472 A1 WO2007091472 A1 WO 2007091472A1 JP 2007051666 W JP2007051666 W JP 2007051666W WO 2007091472 A1 WO2007091472 A1 WO 2007091472A1
Authority
WO
WIPO (PCT)
Prior art keywords
ozone
mixing chamber
layer
deodorizing apparatus
gas
Prior art date
Application number
PCT/JP2007/051666
Other languages
English (en)
Japanese (ja)
Inventor
Masaki Suzuki
Masahito Hattori
Original Assignee
Sintokogio, 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 Sintokogio, Ltd. filed Critical Sintokogio, Ltd.
Publication of WO2007091472A1 publication Critical patent/WO2007091472A1/fr

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Classifications

    • 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
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • 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
    • B01D53/38—Removing components of undefined structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/104—Ozone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708

Definitions

  • the present invention relates to an ozone deodorizing apparatus. More specifically, the present invention relates to an ozone deodorization apparatus that can improve the deodorization efficiency.
  • a deodorizing device for aspirating ozone-containing gas to the cleaning water stored in the lower part of the cleaning tower by using an air diffuser, and a packing layer sequentially disposed above the cleaning water and the air diffuser, a cleaning liquid spray nozzle
  • an ozone deodorizing device including a demister, a blower connected to the exhaust duct of the cleaning tower, and an adsorption / decomposition device connected to the blower (see Patent Document 1).
  • Patent Document 1 JP-A 57-167723
  • an object of the present invention is to provide an ozone deodorization apparatus capable of improving the deodorization efficiency.
  • the ozone deodorization apparatus of the present invention is a cleaning tower provided with a suction port for introducing odor gas into a mixing chamber provided at the lower portion and an exhaust port for discharging gas obtained by adsorbing components contained in the odor gas at the upper portion Ozone generating means for supplying ozone to the mixing chamber, a porous material packed layer, a suction means and an adsorbing layer sequentially disposed above the mixing chamber in the cleaning tower, and the porous chamber in the mixing chamber. It is equipped with watering means for spraying wash water It is characterized by that.
  • water is sprinkled from below the porous material packed layer, and a water film is formed on the surface of the porous material packed layer, so that a publishing phenomenon caused by an air current can be obtained.
  • Stable performance can be obtained because the uniformity of the water film can be obtained. As a result, the deodorization efficiency can be improved.
  • an ozone deodorization apparatus includes a mixing chamber la, a gas-liquid cleaning chamber (gas-liquid contact chamber) from the lower part to the upper part of the cleaning tower 1, which is the main body of the apparatus. ) It is divided into lb, drying chamber lc and adsorption chamber Id.
  • the side wall of the mixing chamber la is provided with a suction port 2 for introducing odor gas
  • the side wall of the adsorption chamber Id is provided with an exhaust port 3 for discharging gas that has been subjected to adsorption treatment of components contained in the odor gas. .
  • an ozone supply pipe 21 and a water spray pipe 31 are disposed in the mixing chamber la, and the porous material packed layer 41, the suction means 51, and the suction chamber 51 are sequentially placed in the respective chambers above the mixing chamber la.
  • the adsorption layer 61 is arranged.
  • the ozone supply pipe 21 disposed in the mixing chamber la is airtightly coupled to the bottom of the mixing chamber la and is connected to an ozone generator 22 that supplies ozone.
  • the ozone supply means is constituted by the ozone supply pipe 21 and the ozone generator 22.
  • the ozone generator 22 is preferably stored in the washing tower 1 in order to make the apparatus compact, and therefore, for example, the force that can be stored in the space below the mixing chamber la is limited to this. It can be installed side by side in the washing tower 1 which is not a thing.
  • the watering pipe 31 disposed in the mixing chamber la is also airtightly coupled to the bottom of the mixing chamber la and is connected to a watering pump 32 that supplies cleaning water. As this washing water, water or ozone-containing water can be used as appropriate.
  • the watering means is constituted by the watering pipe 31 and the watering pump 32.
  • the cleaning water collected in the mixing chamber la which is separated by the centrifugal force of the fan of the suction means 51 during operation, and generated in the mixing chamber la by the suction of the suction means 51.
  • a drain pipe 4 is disposed over the mixing chamber la, and a storage container 5 is connected to the mixing chamber la.
  • a check valve 6 is provided at the connecting portion between the storage container 5 and the mixing chamber la.
  • an inclined portion 7 is provided at the bottom of the mixing chamber la so that the washing water flowing into the mixing chamber la can be smoothly poured into the storage container 5.
  • control box 71 the amount of ozone gas generated from the ozone generator 22 and the amount of water sprayed from the watering pump 32 depending on the type and amount of odorous components of the odor gas are adjusted by adjusting the control box 71, for example. Can do.
  • This control box 71 can be housed in the lower space of the mixing chamber la in the same manner as the ozone generator 22.
  • the porous material packed layer 41 is a packed layer for performing gas-liquid cleaning of odorous gas with ozone and cleaning water, and in order to increase the gas-liquid contact area and increase the cleaning efficiency, A water film is formed by the cleaning water that has pores and oozes out from the upper surface (surface) of the porous body filling layer 41 by the negative pressure generated in the cleaning chamber lb by the suction force of the suction means 51.
  • the porous material filler and the structure constituting the porous material packed layer 41 are not particularly limited in the present invention.
  • the porous material is formed by force such as alumina on a holder arranged in a predetermined shape such as a lattice.
  • a structure in which a plurality of ceramic porous bodies, porous plastics, metal porous bodies, and the like are held is provided. It is preferable to provide a sterilization lamp 81 in the washing chamber lb so that mold, bacteria, etc. do not propagate.
  • a sterilization lamp 81 for example, an ultraviolet lamp can be used.
  • the suction means 51 is placed on the partition plate 52 so that the positions of the suction port 51a of the suction means 51 and the opening of the partition plate 52 fixed in the cleaning tower 1 are aligned.
  • the cutting plate 52 is attached obliquely so that the separated water can be easily guided to the drain pipe 4 by the centrifugal force of the fan of the suction means 51.
  • a commonly used blower can be used as this suction means 51.
  • the moist gas in the cleaning chamber lb sucked by the suction means 51 is separated into water by the centrifugal force of the fan while passing through the suction means 51, and then into the drying chamber lc at the upper position. Exhaled.
  • the gas discharged into the drying chamber lc is not completely dry and is slightly moist.
  • the adsorption layer 61 In the case of activated carbon, it is known that this slight wetness increases the adsorption power of activated carbon.
  • control box 71 adjusts the amount of air sent to the adsorption layer 61.
  • the force that can be selected as appropriate, for example, by setting the flow velocity through the adsorption layer 61 to 0.5 to 1.5 mZsec and the contact time to 0.05 to 0.2 seconds, the adsorption layer 61
  • the deodorization efficiency can be improved because the odor component of the odor gas can sufficiently enter the fine particles.
  • the adsorption layer 61 adsorbs the untreated odor component of the odor gas, and is detachably fixed to the adsorption chamber Id of the cleaning tower 1.
  • a plurality of adsorbents 62 filled in a breathable member such as a resin net or a wire net are held in a holder partitioned in a predetermined shape such as a lattice. can do.
  • a filter may be disposed inside the adsorbent 62 in order to capture the falling powder of the adsorbent.
  • the adsorbent 62 is not particularly limited.
  • coconut shell-based activated carbon having high deodorizing efficiency can be used.
  • the average particle size of the activated charcoal is from 1 to: LOmm, preferably from 1 to 6 mm, which can be used in either crushed or particulate form.
  • Indefinitely crushed coal has higher deodorizing efficiency, so it is preferable to use irregularly crushed coal.
  • activated charcoal for example, natural zeolite, artificial zeolite, silica gel, silicon oxide, bamboo charcoal, etc.
  • these adsorbents preferably have a large specific surface area.
  • the adsorbent 62 is not limited to being used alone, but can be used in admixture, and various kinds of adsorbents can be obtained by attaching an adsorbent to the adsorbent.
  • the adsorption performance for various odors can also be improved.
  • an inorganic substance or an organic substance that works effectively on aldehydes or ammonia having a specific odor can be used.
  • the inorganic additive include bromine and iodine. is there.
  • organic additives (organic substances) include amines and carboxylates.
  • a catalyst may be supported on the adsorbent 62.
  • a metal catalyst such as gold or palladium
  • an oxidation catalyst such as vanadium oxide or molybdenum oxide can be used.
  • the shape of the adsorbent may be a Hercam shape or a corrugated shape.
  • an adsorbent having a chemical adsorption action or a physical adsorption action may be carried on a metal such as a honeycomb shape or a corrugated shape or a carrier such as paper.
  • adsorbent having the chemical adsorption action an oxide, hydroxide, composite oxide, or a mixture thereof containing any of manganese, cobalt, zinc, copper and the like can be used.
  • activated carbon, zeolite, alumina, silica, zirconia or the like can be used as the adsorbent having the physical adsorption action.
  • a plate-like support such as a honeycomb is loaded with a metal catalyst such as platinum or palladium, an oxidation catalyst such as vanadium oxide, molybdenum oxide, or the like.
  • a catalyst body obtained by mixing and sintering a soot catalyst can be used.
  • a heating means such as a heater is attached.
  • a catalyst body in which a photocatalyst such as titanium oxide is supported on a plate-like carrier such as a honeycomb shape can also be used.
  • install a fluorescent lamp that emits visible light and ultraviolet light By using this catalyst body, specific odors such as ozone odor and composite odor can be decomposed with high efficiency.
  • ozone is mixed into the odor gas P 1 that has entered the mixing chamber la from the suction port 2.
  • the ozone mixed gas is passed through a water film 42 formed on the upper surface of the porous material filling layer 41 by washing water sprayed from below (forward air flow direction) toward the lower surface of the porous material filling layer 41.
  • Perform gas-liquid cleaning Perform gas-liquid cleaning.
  • the cleaned odor gas is passed through the suction means 51 to separate the cleaning liquid, and then sent to the adsorption layer 61.
  • the processing gas P2 on which the deodorizing component is adsorbed while passing through the adsorption layer 61 is discharged from the exhaust port 3 into the atmosphere.
  • the cleaning liquid separated by the suction means 51 passes through the mixing chamber la from the drain pipe 4 and is stored in the storage container 5 as shown in FIG. [0020]
  • the odor concentration was measured by the three-point comparison odor bag method, and the removal rate was 97% from the relationship between the odor concentration and the sensed amount. Therefore, in the present invention, it was proved that the deodorization efficiency can be improved.
  • FIG. 1 is a schematic cross-sectional view of an ozone deodorizing apparatus according to an embodiment of the invention.
  • FIG. 2 is a schematic view of a cross section orthogonal to the cross section of the ozone deodorization apparatus of FIG.
  • FIG. 3 is a diagram for explaining the operation of an ozone deodorizing apparatus that is in power of one embodiment of the present invention.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

L'invention concerne un appareil de désodorisation fonctionnant à l'ozone qui permet d'améliorer l'efficacité de désodorisation. Il comprend une tour de purification comportant un orifice d'aspiration, destiné à l'introduction de gaz à forte odeur dans la chambre de mélangeage disposée dans une partie inférieure, et également un orifice d'évacuation qui est situé dans une partie supérieure et à travers lequel sont évacués les gaz à forte odeur qui ont été soumis à un traitement d'absorption ; un générateur d'ozone destiné à alimenter l'ozone dans la chambre de mélangeage ; une couche garnie d'un objet poreux, un moyen d'aspiration et une couche d'adsorption, disposés l'un sur l'autre au-dessus de la chambre de mélangeage dans la tour de purification; et un disperseur destiné à disperser de l'eau de purification à partir de la partie sous la couche d'un objet poreux dans la chambre de mélangeage.
PCT/JP2007/051666 2006-02-10 2007-02-01 Appareil de désodorisation fonctionnant à l'ozone WO2007091472A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-033168 2006-02-10
JP2006033168A JP4697598B2 (ja) 2006-02-10 2006-02-10 オゾン脱臭装置

Publications (1)

Publication Number Publication Date
WO2007091472A1 true WO2007091472A1 (fr) 2007-08-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/051666 WO2007091472A1 (fr) 2006-02-10 2007-02-01 Appareil de désodorisation fonctionnant à l'ozone

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JP (1) JP4697598B2 (fr)
WO (1) WO2007091472A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20082306A1 (it) * 2008-12-23 2010-06-24 Claudio Molinari Impianto e relativo metodo per la depurazione di aria
CN102836632A (zh) * 2012-09-28 2012-12-26 天津莱特化工有限公司 一种高效废气洗涤塔
CN103706235A (zh) * 2013-12-27 2014-04-09 北京万向新元科技股份有限公司 一种轮胎橡胶车间废物收集净化装置及其方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5795157B2 (ja) * 2010-11-08 2015-10-14 ラピスセミコンダクタ株式会社 スクラバー

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346278Y2 (fr) * 1973-05-04 1978-11-06
JPS5523085B2 (fr) * 1974-08-01 1980-06-20
JPS586529B2 (ja) * 1976-04-21 1983-02-04 三菱電機株式会社 空気脱臭装置
JPH0243921A (ja) * 1988-08-04 1990-02-14 Daikin Ind Ltd 脱臭機
JP2000254439A (ja) * 1999-03-09 2000-09-19 Toshiba Corp 有害ガス分解装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346278Y2 (fr) * 1973-05-04 1978-11-06
JPS5523085B2 (fr) * 1974-08-01 1980-06-20
JPS586529B2 (ja) * 1976-04-21 1983-02-04 三菱電機株式会社 空気脱臭装置
JPH0243921A (ja) * 1988-08-04 1990-02-14 Daikin Ind Ltd 脱臭機
JP2000254439A (ja) * 1999-03-09 2000-09-19 Toshiba Corp 有害ガス分解装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20082306A1 (it) * 2008-12-23 2010-06-24 Claudio Molinari Impianto e relativo metodo per la depurazione di aria
WO2010073217A1 (fr) * 2008-12-23 2010-07-01 Giuseppe Molinari Système de purification d'air et procédé associé à ce système
CN102836632A (zh) * 2012-09-28 2012-12-26 天津莱特化工有限公司 一种高效废气洗涤塔
CN103706235A (zh) * 2013-12-27 2014-04-09 北京万向新元科技股份有限公司 一种轮胎橡胶车间废物收集净化装置及其方法

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JP4697598B2 (ja) 2011-06-08
JP2007209909A (ja) 2007-08-23

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