WO2007020896A1 - Désodorisant - Google Patents

Désodorisant Download PDF

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Publication number
WO2007020896A1
WO2007020896A1 PCT/JP2006/315954 JP2006315954W WO2007020896A1 WO 2007020896 A1 WO2007020896 A1 WO 2007020896A1 JP 2006315954 W JP2006315954 W JP 2006315954W WO 2007020896 A1 WO2007020896 A1 WO 2007020896A1
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WO
WIPO (PCT)
Prior art keywords
air
ozone
deodorizer
odor
deodorizing
Prior art date
Application number
PCT/JP2006/315954
Other languages
English (en)
Japanese (ja)
Inventor
Kentarou Nagayoshi
Takashi Sugiyama
Kazuaki Kinai
Youhei Nakamura
Original Assignee
Fujitsu General Limited
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 Fujitsu General Limited filed Critical Fujitsu General Limited
Priority to CN200680027602XA priority Critical patent/CN101232906B/zh
Publication of WO2007020896A1 publication Critical patent/WO2007020896A1/fr

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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
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • 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

Definitions

  • the present invention relates to a deodorizer, and more particularly to a deodorizer capable of improving the deodorization performance.
  • Patent Document 1 In recent deodorizers, in order to realize a more comfortable indoor air environment, needs for improving the deodorizing performance are increasing. In a brilliant problem, the technology described in Patent Document 1 is known for a conventional deodorizer having high deodorization performance.
  • a conventional deodorizer according to Patent Document 1 is a deodorizer (air purifier) in which a deodorizing filter and a blower are provided in an air passage formed between a suction port and a discharge port formed in a main body casing.
  • An ultraviolet lamp and a mesh-like photocatalyst section are provided on the windward side of the deodorizing filter, and a reflector for reflecting the ultraviolet rays to the deodorizing filter is provided on the windward side of the ultraviolet lamp.
  • Patent Document 1 JP 2001-170146 A
  • An object of the present invention is to provide a deodorizer capable of improving the deodorization performance.
  • a deodorizer is a deodorizer for performing a deodorization treatment of air, and has an air suction port and a discharge port and connects the suction port and the discharge port.
  • a housing having an air passage inside, an adsorption deodorizing unit that is disposed on the air passage and that adsorbs odors in the air to deodorize the air, and is disposed on the air passage and air by ozone.
  • An ozone deodorizing unit that performs the deodorizing process and a blower that circulates air in the air passage, and the air deodorized in the adsorption deodorizing unit and the ozone deodorizing unit is combined with ozone in the casing.
  • Discharge roller It is characterized by being discharged to the outside.
  • an adsorption deodorizing unit that adsorbs odors in the air to deodorize the air and an ozone deodorizing unit that deodorizes the air with ozone are provided, and the adsorption deodorizing unit and The air deodorized in the ozone deodorization part is discharged to the outside (for example, indoors) from the discharge port together with ozone (low concentration ozone).
  • a high concentration odor in the air is adsorbed by the adsorption deodorization unit (for example, a catalyst filter and an activated carbon filter), and after the low concentration odor in the air is adsorbed by the ozone deodorization unit, this deodorization treatment is performed. Air is released to the outside.
  • the deodorizing process of air is performed suitably, there exists an advantage which the deodorizing performance of a deodorizer improves.
  • this low-concentration ozone effectively contaminates the deodorizer installation space (for example, indoor walls and furniture). There is an advantage to be eliminated.
  • the ozone deodorizing unit is disposed downstream of the adsorption deodorizing unit.
  • this deodorizer first, a high-concentration odor in the air is adsorbed and deodorized by the adsorption deodorization unit, and then a low-concentration odor in the air is deodorized by ozone in the ozone deodorization unit.
  • a high-concentration odor in the air is adsorbed and deodorized by the adsorption deodorization unit, and then a low-concentration odor in the air is deodorized by ozone in the ozone deodorization unit.
  • the deodorizer according to the present invention includes a catalyst filter in which the adsorption deodorization unit adsorbs and decomposes odors in the air.
  • the adsorbed odor for example, gaseous odor
  • the catalytic filter so that accumulation of gaseous odor is suppressed.
  • This has the advantage of extending the replacement life of the filter (adsorption deodorization part).
  • the indoor deodorization is performed more efficiently than the configuration (not shown) in which the blowing must be stopped when the odor is decomposed.
  • This has the advantage of further improving the deodorizing performance of the deodorizer.
  • two oysters that have been constantly generated, such as oysters and body odors, which have been infiltrated in indoor walls, etc. are effectively decomposed.
  • a filter that temporarily accumulates decomposition residue of odors in the air that has passed through the catalyst filter is disposed downstream of the catalyst filter.
  • the decomposition residue of the gaseous odor in the air that has passed through the catalyst filter is Since it is temporarily stored in a filter (for example, activated carbon filter) on the flow side, the decomposition residue of the gaseous odor is adsorbed without leakage. This further improves the deodorization performance of the deodorizer.
  • a filter for example, activated carbon filter
  • the deodorizer according to the present invention has a heating means for heating the catalyst filter.
  • the catalyst filter is heated by the heating means during operation.
  • decomposition of the gaseous odor adsorbed on the catalyst filter is promoted, so that there is an advantage that the deodorizing performance of the deodorizer is improved.
  • the decomposition of the gaseous odor is promoted without stopping the blowing, so that the odor that is continuously generated is always decomposed effectively.
  • the heating means is arranged around the catalyst filter.
  • the heating means is arranged on the catalyst filter (upstream side or downstream side of the catalyst filter), so that the entire area of the catalyst filter is almost entirely covered by one or a small number of heating means. Can be heated.
  • the catalyst filter can be effectively heated with a simple configuration and the deodorization performance of the deodorizer can be improved.
  • the output of the blower and the output of the heating means are set and changed according to the concentration of odor in the air.
  • the deodorizer according to the present invention includes a photocatalyst and an ultraviolet lamp that irradiates the photocatalyst with ultraviolet rays.
  • the deodorizer according to the present invention has a case in which the ozone deodorizing unit constitutes a reaction space between air and ozone, and an ozone generating unit for generating ozone in the case,
  • the inflow direction and the outflow direction of air in the case are on different straight lines.
  • the inflow direction and the outflow direction of air in the case of the ozone deodorization section are on different straight lines. In other words, the air inflow direction and the outflow direction are not in a straight line in the case.
  • the air flowing into the case passes through the flow path with the inlet force directed toward the outlet, so air and ozone are compared with the configuration in which the air passes straight through the case.
  • the reaction with is performed well.
  • the deodorizing process is effectively performed in the ozone deodorizing section, which has the advantage of improving the deodorizing performance of the deodorizer.
  • the deodorizer according to the present invention has an ozone generating section that generates ozone released to the outside of the discharge locus of the casing, and the amount of ozone generated in the ozone generating section depends on the air volume.
  • a plurality of setting patterns that can be used for switching the amount of ozone generated are provided so as to be selectable.
  • the setting pattern for switching the amount of ozone generated can be changed arbitrarily.
  • the environment temperature and humidity, size, etc.
  • ozone odor The user can arbitrarily adjust the amount of ozone released into the room according to individual differences (whether or not the ozone odor is worrisome). This has the advantage of providing a more comfortable air environment.
  • the concentration of ozone discharged from the discharge outlet force of the casing is restricted to 0.01 [ppm] or more and 0.02 [ppm] or less.
  • This deodorizer has an advantage that the concentration of released ozone is adjusted appropriately (low ozone concentration).
  • the discharge port of the housing has a variable opening part whose opening degree can be adjusted and a normal opening part having a constant opening degree.
  • the discharge port of the housing has an opening part capable of adjusting a wind direction and a normal opening part having a certain opening degree.
  • This deodorizer has an advantage that the direction in which ozone is blown from the discharge port (wind direction) can be changed by adjusting the air direction with an opening that can adjust the air direction.
  • the deodorizer according to the present invention includes an adsorption / removal odor unit that adsorbs odors in the air to deodorize the air, and an ozone deodorization unit that deodorizes the air with ozone, and Since the air deodorized in the deodorizing part and ozone deodorizing part is discharged to the outside together with ozone from the discharge port, high concentration odor in the air is adsorbed in the adsorption deodorizing part, and in the air in the ozone deodorizing part. After the low-concentration odor is adsorbed, the deodorized air is released to the outside.
  • FIG. 1 is a perspective view showing a deodorizer that is effective in an embodiment of the present invention.
  • Fig. 2 is a side sectional view showing a deodorizer according to an embodiment of the present invention.
  • FIG. 3 is an assembled perspective view showing the adsorption and deodorization part of the deodorizer shown in FIGS. 1 and 2.
  • FIG. 4 is an enlarged cross-sectional view showing an adsorption deodorization part of the deodorizer shown in FIG. 1 and FIG.
  • FIG. 5 is a perspective view showing an ozone deodorization unit of the deodorizer shown in FIGS. 1 and 2.
  • FIG. 6 is a cross-sectional view showing an ozone deodorization part of the deodorizer shown in FIGS. 1 and 2.
  • FIG. 7 is an explanatory view showing the operation of the deodorizer shown in FIGS. 1 and 2.
  • FIG. 8 is an explanatory view showing the operation of the deodorizer shown in FIGS. 1 and 2.
  • FIG. 9 is an explanatory view showing the operation of the deodorizer shown in FIGS. 1 and 2.
  • FIG. 10 is an assembled perspective view showing the heating means of the adsorption deodorization unit shown in FIGS. 3 and 4.
  • FIG. 11 is an explanatory view showing the operation of the heating means shown in FIG.
  • FIG. 12 is an explanatory view showing the operation of the heating means shown in FIG.
  • FIG. 13 is an explanatory diagram showing the ultraviolet blocking structure of the ozone deodorizing unit described in FIGS. 5 and 6.
  • FIG. 14 is an explanatory diagram showing the ultraviolet blocking structure of the ozone deodorizing unit shown in FIGS. 5 and 6.
  • FIG. 15 is an explanatory diagram showing a function that is useful for selecting and setting the amount of ozone released.
  • FIG. 16 is an explanatory view showing a discharge part of the deodorizer shown in FIGS. 1 and 2. Explanation of symbols
  • Heating means code heater
  • FIG. 1 and FIG. 2 are a perspective view (FIG. 1) and a side cross-sectional view (FIG. 2) showing a deodorizer according to an embodiment of the present invention.
  • 3 and 4 are an assembled perspective view (FIG. 3) and an enlarged cross-sectional view (FIG. 4) showing the adsorption / deodorization part of the deodorizer shown in FIGS. 1 and 2.
  • FIG. 5 and FIG. 6 are a perspective view (FIG. 5) and a cross-sectional view (FIG. 6) showing the ozone deodorizing part of the deodorizer shown in FIG. 1 and FIG. 7 to 9 are explanatory views showing the operation of the deodorizer described in FIG. 1 and FIG. FIG.
  • FIG. 10 is an assembled perspective view showing the heating means of the adsorption deodorization unit described in FIGS. 3 and 4.
  • FIG. 11 and 12 are explanatory diagrams showing the operation of the heating means shown in FIG.
  • FIG. 13 and FIG. 14 are explanatory diagrams showing the ultraviolet blocking structure of the ozone deodorizing unit described in FIG. 5 and
  • FIG. Fig. 15 is an explanatory diagram showing the functions related to the selection of the ozone emission amount.
  • FIG. 16 is an explanatory view showing a discharge part of the deodorizer shown in FIGS. 1 and 2.
  • This deodorizer 1 is installed indoors to reduce indoor oysters (spreading in the room-oysters, stains on walls and furniture-oysters, body odors etc. that occur all the time)- O It has a function to reduce discomfort caused by
  • the deodorizer 1 is installed in, for example, living spaces of general households and elderly facilities, toilets, filth rooms, corridors, hospital waiting rooms and hospital rooms, clinic treatment rooms, pet hotels, animal hospital waiting rooms and treatment rooms, etc.
  • the deodorizer 1 may be mounted on an air conditioner or an air purifier, for example (not shown).
  • the deodorizer 1 includes a casing 2, an adsorption deodorization unit (adsorption unit) 3, an ozone deodorization unit (ozone decomposition unit) 4, a blower 5, and a control unit 6 (see Figs. 1 and 3). 2).
  • the housing 2 has a box-like shape that can be erected on the floor surface by a member made of resin.
  • the housing 2 has a suction port 21 on its side (surface perpendicular to the floor surface in the installed state) and a discharge port 22 on its top.
  • an air passage R extending from the suction port 21 to the discharge port 22 is formed inside the housing 2.
  • An adsorption deodorizing unit 3, an ozone deodorizing unit 4, and a blower 5 are arranged on the air passage R.
  • the adsorption deodorizing unit 3 has a function of adsorbing dust and gaseous odor in the air.
  • the suction / removal odor unit 3 is disposed on the air passage R in the housing 2 and in the vicinity of the suction port 21 of the housing 2.
  • the dust in the air refers to, for example, coarse dust in the air, smoke odor (fine particles), and the like.
  • the gaseous odor in the air means, for example, sulfur odor such as garbage odor and fecal odor, aldehyde odor such as sweat odor and building material odor, fatty acid odor such as body odor, ammonia odor such as manure odor, etc. .
  • the adsorptive deodorization unit 3 includes, for example, a dust collection filter 31, a catalyst filter 32, and an activated carbon filter 33, and has a three-layer structure in which these are stacked (see FIGS. 2 to 4). Further, the deodorizing filters 31 to 33 are arranged and stacked in the order of the dust collection filter 31, the catalyst filter 32, and the activated carbon filter 33 from the upstream side.
  • the dust collection filter 31 has a pleated structure and a function of collecting coarse dust, smoke odor (fine particles), etc. in the air.
  • the catalytic filter 32 has a function of adsorbing and decomposing gaseous odors in the air.
  • the catalyst filter 32 is constituted by, for example, a filter containing a zeolite having ammonia adsorption characteristics, a filter containing a metal oxide having formaldehyde decomposition characteristics, and the like.
  • the activated carbon filter 33 has a function of temporarily storing the decomposition residue of the gaseous odor in the air that has passed through the catalyst filter 32.
  • This activated charcoal filter 33 is, for example, a nonicum structure filter filled with activated carbon, an aldehyde It consists of activated carbon to which chemicals with chemical adsorption characteristics of system odors are attached and activated carbon to which chemicals with chemical adsorption characteristics of basic odors such as ammonia are attached. Further, the activated carbon filter 33 is impregnated with a catalyst having an action of decomposing sulfur odor.
  • the adsorption deodorizing unit 3 can be easily attached to and detached from the housing 2, and the deodorizing filters 31 to 33 are separable from each other. For this reason, there is an advantage that the dust collection filter 31 can be taken out and easily cleaned. Further, the dust collection filter 31 is configured by, for example, heat-welding a core-sheath structure fiber made of polypropylene and polybutene, and has improved water washing performance. For this reason, there is an advantage that the replacement life of the dust collection filter 31 is long.
  • the ozone deodorizing unit 4 has a function of decomposing odors in the air with ozone (see Figs. 5 and 6).
  • the ozone deodorizing unit 4 is disposed on the air passage R in the casing 2 and downstream of the adsorption deodorizing unit 3 (near the discharge port 22 of the casing 2).
  • the ozone deodorizing unit 4 includes a case 41 and an ozone generating unit 42.
  • the case 41 is a box-shaped member made of an ultraviolet non-transmissive material (for example, a metal material), and constitutes a reaction space between air and ozone.
  • the case 41 has an air inlet portion 411 and an outlet portion 412.
  • the ozone generator 42 has a function of generating ozone in the case 41, and is configured by, for example, an ultraviolet lamp.
  • the ozone generating unit 42 is disposed near the inlet 411 of the case 41.
  • a photocatalyst is disposed in the ozone deodorizing unit 4.
  • a photocatalyst for example, titanium oxide
  • hydroxyl radicals are generated in the case 41. This hydroxyl radical is more effective in decomposing ammonia odor, which is difficult to decompose with ozone, because it has a higher ability to decompose acid and oxidase than ozone.
  • the ozone generating unit 42 which has an ultraviolet lamp force, can maintain (1) the amount of ozone generated because it is not easily affected by room temperature, humidity, or atmospheric pressure. (2) Dust in the air, etc. (3) Does not generate harmful substances such as nitrogen oxides, and (4) Oxygen radicals with strong sterilization line and acid decomposition ability, so high V Preferred in terms of having ⁇ .
  • the blower 5 has a function of circulating air through the air passage R by blowing air.
  • This blower 5 is composed of, for example, a sirocco fan, and is arranged downstream of the adsorption deodorizing unit 3 and upstream of the ozone deodorizing unit 4.
  • the control unit 6 is necessary for driving control of the heating means 34 of the adsorption deodorizing unit 3 described later, driving control of the ozone generating unit 42 of the ozone deodorizing unit 4, driving control of the blower 5, and other driving of the deodorizer 1. Control.
  • the deodorizer 1 when the blower 5 is driven during operation, the indoor air is sucked in by the suction port 21 and passes through the adsorption deodorizing unit 3 (see FIGS. 2, 4, and 7).
  • a high-concentration odor deodorization process is performed to remove strong odors in the air. Specifically, first, coarse dust or smoke odor in the air is collected by the dust collection filter 31 of the adsorption / deodorization unit 3. Next, the gaseous odor in the air is adsorbed and decomposed by the catalyst filter 32. Next, the activated carbon filter 33 temporarily accumulates the decomposition residue of the gaseous odor in the air that has passed through the catalyst filter 32.
  • the catalyst filter 32 and the activated carbon filter 33 have a Hercom structure, gaseous odors in the air passing through them are efficiently adsorbed. Further, since the adsorbed gaseous odor is decomposed in the catalyst filter 32, the accumulation of two odor components is suppressed. As a result, the saturation of the -oy component in the catalyst filter 32 is delayed, and there is an advantage that the replacement life of the filter (adsorption / deodorization unit 3) is extended.
  • air is sent to the ozone deodorizing unit 4 through the blower 5 (see FIGS. 2, 6, and 7).
  • a deodorizing process for low-concentration odors in the air is performed, and the minute air in the air that is not removed by the adsorption deodorizing unit 3 is removed.
  • the ozone generated by the ozone generating unit 42 reacts with air, and the air is deodorized.
  • hydroxyl radicals are generated in the case 41 when the photocatalyst in the case 41 is irradiated with ultraviolet rays. Then, the odor in the air is decomposed by the hydroxyl group radical, and the deodorizing treatment of the air is performed.
  • the air that has passed through the ozone deodorizing unit 4 is released into the room from the discharge port 22 of the housing 2 and is reduced.
  • This air is almost odorless by the deodorizing process in the adsorption deodorizing unit 3 and the ozone deodorizing unit 4.
  • the air that is reduced indoors contains low-concentration ozone.
  • This low-concentration ozone is mixed with air in the ozone deodorizing unit 4 and released into the room together with the deodorized air.
  • This low-concentration ozone breaks down the two odors that stain the indoor walls, sofas, furniture, and clothes.
  • This deodorizer 1 is provided with an adsorption deodorization unit 3 that adsorbs odors in the air to deodorize the air, and an ozone deodorization unit 4 that deodorizes the air with ozone, and the adsorption deodorization unit 3 and
  • the air deodorized in the ozone deodorizing unit 4 is discharged outside (for example, indoors) from the discharge port 22 together with ozone (low concentration ozone) (see FIG. 7).
  • an ozone deodorizing unit 4 is disposed downstream of the adsorption deodorizing unit 3 (see Figs. 2 and 7).
  • the high-concentration odor in the air is adsorbed by the adsorption / deodorization unit 3 and deodorized, and then the low-concentration odor in the air is deodorized by ozone in the ozone deodorization unit 4.
  • an efficient deodorization treatment is realized by performing the removal step by step from a high concentration odor to a low concentration odor. For example, in a configuration in which the deodorizing treatment for the low concentration odor is performed first, the high concentration odor is not sufficiently removed.
  • the adsorption deodorizing unit 3 has a catalyst filter 32 that adsorbs and decomposes gaseous odor in the air (see Figs. 3 and 4).
  • the adsorbed gaseous odor is decomposed by the catalytic filter 32, so that accumulation of the gaseous odor is suppressed.
  • This has the advantage of extending the replacement life of the filter (adsorption deodorization unit 3). Also with such a configuration Since the odor can be decomposed while continuously blowing air, the indoor deodorization is performed more efficiently than the configuration (not shown) in which the air blowing needs to be stopped when the odor is decomposed.
  • the adsorption deodorizing unit 3 has an activated carbon filter 33 on the downstream side of the catalyst filter 32 (see Figs. 3 and 4).
  • the decomposition residue of the gaseous odor in the air that has passed through the catalyst filter 32 is temporarily stored in the activated carbon filter 33, the decomposition residue of the gaseous odor is adsorbed without leakage. This has the advantage of further improving the deodorizing performance of the deodorizer 1 (see Fig. 8 and Fig. 9).
  • the ozone deodorizing unit 4 has a photocatalyst and an ultraviolet lamp (ozone generating unit 42) that irradiates the photocatalyst with ultraviolet rays, and the photocatalyst decomposes odors in the air.
  • ozone generating unit 42 ultraviolet lamp
  • the adsorption deodorizing unit 3 has a heating means 34 for heating the catalyst filter 32 (see FIGS. 2 and 3).
  • the heating means 34 is constituted by, for example, a cord heater, a sheathed heater, or the like, and is disposed so as to contact the catalyst filter 32 directly or indirectly via an intermediate member (heat transfer member 342).
  • the catalyst filter 32 is heated by the heating means 34 when the deodorizer 1 is in operation.
  • decomposition of the gaseous odor adsorbed on the catalyst filter 32 is promoted, so that the deodorizing performance of the deodorizer 1 is improved.
  • the decomposition of the gaseous odor is promoted without stopping the blowing, so that the odor that is continuously generated continuously is effectively decomposed. This has the advantage that the deodorizing performance of the deodorizer 1 is further improved. This also suppresses the accumulation of gaseous odors in the catalyst filter 32, which has the advantage of extending the replacement life of the filter (adsorption / deodorization unit 3).
  • the heating means 34 has a bendable structure and is arranged around the catalyst filter 32 (upstream side or downstream side of the catalyst filter 32) ( (See Figure 3).
  • the heating means 34 also has a cord heater force, and the catalytic filter 32 It is arranged so as to meander over substantially the entire area.
  • code heaters heating means
  • the meandering interval of the heating means 34 is appropriately defined so as not to hinder ventilation.
  • the heating means 34 is disposed in close contact with the catalyst filter 32 (see FIG. 10).
  • a configuration in which the heating means 34 is held by a rigid heater frame 341 and the heating means 34 is directly or indirectly urged to the catalyst filter 32 by the heater frame 341 is preferable.
  • the heater frame 341 has, for example, a plurality of claw portions (not shown), and the heating means 34 is held in a curved state by these claw portions and pressed against the catalyst filter 32.
  • the degree of adhesion between the heating means 34 and the catalyst filter 32 is increased, so that the catalyst filter 32 is efficiently heated.
  • a heat transfer member 342 having heat conduction characteristics is interposed between the heating means 34 and the catalyst filter 32 (see FIG. 10). That is, the heating means 34 is disposed in close contact with the catalyst filter 32 via the heat transfer member 342.
  • the heat transfer member 342 is made of a mesh material made of metal or polypropylene, for example.
  • efficient heat transfer from the code heater 34 to the catalyst filter 32 via the heat transfer member 342 is realized.
  • heating of the catalyst filter 32 is efficiently performed, and there is an advantage that the decomposition performance of the gaseous odor by the catalyst filter 32 is improved.
  • the direct frictional contact between the heating means 34 and the catalyst filter 32 is suppressed by the interposition of the heat transfer member 342, there is an advantage that the disconnection of the cord heater 34 is effectively suppressed.
  • the heating means 34 directly contacts the catalyst filter 32 without the heat transfer member 342 being interposed. It may be arranged as follows. Thereby, since more efficient heat transfer is performed, there is an advantage that the decomposition action of the catalytic filter 32 is more activated. [0065] In the above configuration, it is preferable that the heating means 34 is disposed on the upstream side of the catalyst filter 32 (see Figs. 4 and 10). As a result, the heat of the heating means 34 is efficiently transmitted to the catalyst filter 32 (and also the activated carbon filter 33), so that there is an advantage that the decomposition performance of the gaseous odor by the catalyst filter 32 is improved.
  • the activated carbon filter 33 is preferably disposed adjacent to the downstream side of the catalyst filter 32 (see Figs. 2 to 4). In such a configuration, since the heat of the heating means 34 is transmitted to the activated carbon filter 33 via the catalyst filter 32, the activated carbon filter 33 is also heated together with the catalyst filter 32. This has the advantage that the activated carbon filter 33 is regenerated. Further, in such a configuration, the decomposition residue of the gaseous odor in the air that has passed through the catalyst filter 32 is temporarily stored in the activated carbon filter 33, so that the decomposition residue of the gaseous odor is adsorbed without leakage. Thereby, there exists an advantage which the deodorizing performance of the deodorizer 1 improves further.
  • the heating means 34 has a substantially circular cross-sectional shape (see FIG. 4).
  • the ventilation resistance when the heating means 34 is disposed on the catalyst filter 32 is small (a structure that is difficult to prevent ventilation).
  • the catalyst filter 32 is heated and obtained while the air flow is properly maintained.
  • the catalyst filter 32 is heated so that the temperature rise of the catalyst filter 32 is within 10 [° C]. This has the advantage that the temperature rise in the room due to heating is reduced to a negligible level.
  • the housing 2 has a heat exchange structure.
  • odors in living spaces there are two types of odors in living spaces: high-level odors that are temporarily generated and low-level odors that are continuously generated.
  • high-concentration odors a method in which the odor is adsorbed by a deodorizing filter (catalytic filter 32 and activated carbon filter 33) by blowing air with a large air volume is preferable.
  • a deodorizing filter catalytic filter 32 and activated carbon filter 33
  • the odor adsorbed by the catalyst filter 32 is analyzed by blowing air with a small air volume. Thereby, decomposition
  • the catalytic filter 32 is heated to promote odor decomposition.
  • the calorific temperature of the catalyst filter 32 is determined by, for example, the heating means 34 described above.
  • the deodorizer 1 it is preferable to change the settings of the output of the blower 5 and the output of the heating means in accordance with the concentration of odors in the air (see FIGS. 11 and 12). .
  • the odor concentration is detected by, for example, a gas sensor (not shown) installed in the suction port 21 of the housing 2.
  • the blower 5 when the concentration of odors in the air is larger than a predetermined threshold, the blower 5 is operated at a large air volume, and when the concentration of odors in the air is smaller than a predetermined threshold, It is preferable that the machine 5 is operated with a small air volume (smaller than that when operating with a large air volume! /, Air volume).
  • the deodorizing process is performed mainly for odor adsorption during operation with a large air volume, and the deodorizing process is performed mainly for decomposition of the adsorbed odor during operation with a small air volume.
  • the air volume (large air volume and small air volume) of the blower 5 is preferably appropriately determined according to the size of the room where the deodorizer 1 is installed and the specifications of the deodorizer.
  • the catalyst filter 32 is heated by the heating means 34 when the air volume of the blower 5 is smaller than a predetermined threshold value (during operation with a small air volume). As a result, the decomposition of the odor adsorbed on the catalyst filter 32 is promoted, so that the deodorizing performance of the deodorizer 1 is effectively improved.
  • FIG. 11 is a table showing the results of a performance test for the above deodorization treatment.
  • the vertical axis represents the logarithmic concentration logC [ppm] of odor (formaldehyde) in the air
  • the horizontal axis represents the operating time t [min] of the deodorizer 1.
  • the solid line shows the case where the catalyst filter 32 is heated by the heating means 34
  • the broken line shows the case where the catalyst filter 32 is not heated
  • the one-dot chain line shows the catalyst filter 32. Is shown (the intake / removal odor part 3 has only the dust collection filter 31 and the activated carbon filter 33).
  • the concentration of odor in the air is equal to or higher than a predetermined threshold value na. Therefore, at the beginning of operation, the blower 5 is driven with a large air flow.
  • the deodorizing process is performed mainly with odor adsorption. This quickly reduces the odor concentration to a certain value.
  • the heating means 34 is turned off, and the catalyst filter 32 is not heated.
  • a deodorizing process mainly performed by decomposing the odor adsorbed on the catalyst filter 32 is performed.
  • the heating filter 34 warms the catalyst filter 32 to promote odor decomposition.
  • the air deodorization process is efficiently performed in a short time by switching the air volume of the blower 5 in accordance with the concentration of odor in the air. It can also be seen that the decomposition of the adsorbed odor is effectively promoted by heating the catalyst filter 32 when the air volume is small. Specifically, when the catalyst filter 32 is heated, the odor decomposition time is significantly shortened (about 50 [%]) compared to when the catalyst filter 32 is not heated. Squeezes.
  • the inflow direction and the outflow direction of air in the case 41 of the ozone deodorization unit 4 are on different straight lines (see FIGS. 5 and 6). That is, in the case 41, the air inflow direction and the outflow direction are configured not to be on a straight line. In such a configuration, the air flowing into the case 41 passes through the flow path from the inlet portion 411 toward the outlet portion 412 so that the air linearly passes through the case 41 (not shown). As compared with the above, the reaction between air and ozone is favorably performed. As a result, the deodorizing process in the ozone deodorizing unit 4 is effectively performed, so that the deodorizing performance of the deodorizer 1 is improved.
  • the ozone deodorizing unit 4 is configured such that the air flow direction (inflow direction) at the inlet 411 of the case 41 and the air flow direction (outflow direction) at the outlet 412 are substantially orthogonal.
  • the case 41 has a rectangular parallelepiped box shape
  • the inlet portion 411 is formed on the bottom surface of the case 41
  • the outlet portion 412 is formed on the side surface of the case 41.
  • the outlet 412 is located on the three sides of the case 41. Each is formed (see Figure 5).
  • the ozone deodorizing section 4 has a baffle 44 that agitates the air flowing into the case 41 (see FIGS. 5 and 6).
  • the baffle 44 has, for example, a rib-like structure, and is disposed on the air flow path at the inlet 411 of the case 41.
  • a plurality of baffles 44 are disposed on the downstream side of the inlet portion 411 of the case 41. In such a configuration, air collides with the baffle 44 on the downstream side of the inlet portion 411 of the case 41, and a turbulent flow is formed in the case 41 (near the ozone generating portion 42).
  • the reaction between the air and ozone in the case 41 is promoted, and there is an advantage that the deodorizing performance of the deodorizer 1 is improved.
  • the baffle body 44 that has a simple structure can be downsized, and there is an advantage that a driving source such as a stirring fan (not shown) is unnecessary!
  • the baffle body 44 has a rib-like structure
  • fins 441 are formed in the rib-like portion (see FIGS. 5 and 6).
  • a turbulent flow is efficiently formed in the case 41 from the powerful fins 441, and the reaction between air and ozone in the case 41 is promoted. This has the advantage that the deodorizing performance of the deodorizer 1 is further improved.
  • the fin 441 of the baffle body 44 is preferably composed of, for example, a substantially arc-shaped protrusion or notch formed on the baffle body 44.
  • the air flowing into the case 41 hits the fins 441 of the baffle body 44, thereby generating a three-dimensional vortex in the case 41.
  • the reaction between air and ozone in the case 41 is promoted, and there is an advantage that the deodorizing performance of the deodorizer 1 is further improved.
  • a rectifying unit 413 for rectifying the air flow is preferably disposed (see FIGS. 5 and 6).
  • the rectifying unit 413 is constituted by, for example, a filter having a her cam structure, and is arranged at the inlet 411 of the case 41 of the ozone deodorizing unit 4.
  • the rectifying unit 413 rectifies air on the upstream side of the baffle body 44, so that the air bias in the baffle body 44 is reduced.
  • a good air vortex is formed in the case 41, the reaction between the air and ozone in the case 41 is promoted, and the deodorizing performance of the deodorizer 1 is further improved.
  • the guide portion 43 that guides the air in the case 41 and generates a vortex in the case 41 (see FIGS. 5 and 6).
  • the guide portion 43 is also formed of a plate-shaped member that is curved or refracted in a U-shape, a U-shape, or a triangular cross-section, for example, and is arranged on the ceiling portion of the case 41 with its inner surface facing the ozone generation portion 42. It is fixedly installed. In such a configuration, the air in the case 41 is guided by the guide portion 43, and a vortex is generated in the case 41. Therefore, the reaction between the air and ozone in the case 41 is promoted. Thereby, there exists an advantage which the deodorizing performance of the deodorizer 1 improves further.
  • the ozone generating unit 42 has an ultraviolet lamp force
  • a photocatalyst is applied to the guide unit 43.
  • the orientation of the guide part 43 can be adjusted so that the ultraviolet light from the ultraviolet lamp (ozone generating part 42) hits the photocatalyst of the guide part 43. It is.
  • the photocatalyst of the guide portion 43 is efficiently irradiated with the ultraviolet rays of the ultraviolet lamp.
  • the decomposition of odors in the air is promoted, and there is an advantage that the deodorizing treatment of air is performed efficiently.
  • the guide portion 43 since the guide portion 43 has a structure that is curved or refracted toward the ozone generation portion 42 side (inside), leakage of ultraviolet rays to the outside of the case 41 is reduced.
  • the ozone deodorizing part 4 has ultraviolet blocking structures 413 and 414 for suppressing leakage of ultraviolet light from the inside of the case 41 and the inlet part 411 of the case 41 and
  • the outlet 412 is preferably provided (see FIGS. 5, 6, 13, and 14).
  • an ultraviolet absorbing material having a her cam structure (or corrugated structure) is disposed at the inlet portion 411 and the outlet portion 412 of the case 41, and the ultraviolet absorbing material of the ultraviolet absorbing material is formed.
  • the eyes of the structure are configured to be inclined with respect to the irradiation direction of the ultraviolet rays from the ozone generation part (ultraviolet lamp) 42.
  • a configuration is adopted in which the ultraviolet rays from the ozone generating section 42 do not pass through the eyes of the hard structure of the ultraviolet absorbing material.
  • the ultraviolet blocking structures 413 and 414 have the above-described hard cam structure, for example, the ultraviolet blocking structure is compared with a configuration having a labyrinth structure made of a bent metal plate (not shown). It is preferable in that air easily passes through. This has the advantage of ensuring air circulation in the ozone deodorizing unit 4.
  • the amount of ozone generated is large at the initial stage, and the amount of ozone generated tends to decrease as the usage time increases. Therefore, in this deodorizer 1, it is preferable to adjust the driving time of the ozone generation unit 42 in order to secure the amount of ozone generated (or the amount of ozone released).
  • an ultraviolet lamp for example, a mercury lamp
  • the OFF time for the UV lamp flash cycle (ONZOFF duty ratio) is set longer, when the number of flashes exceeds a predetermined value, it is preferable to set the flash cycle OFF time to be shorter.
  • the life of the ultraviolet lamp is extended, and there is an advantage that the generation amount of ozone is stably ensured for a long period of time. In such a configuration, it is necessary to employ an ultraviolet lamp capable of generating necessary and sufficient ozone even by blinking driving.
  • the blower 5 is disposed on the downstream side of the adsorption deodorizing unit 3 and on the upstream side of the ozone deodorizing unit 4, and is smaller than the air inlet (inlet on the adsorption deodorizing unit 3 side). It is preferable to have an air outlet (exit on the ozone deodorizing unit 4 side). That is, the blower 5 is arranged with the large suction port directed toward the adsorption deodorization unit 3 and the small discharge port directed toward the ozone deodorization unit 4.
  • the powerful blower 5 includes, for example, a sirocco fan.
  • the blower 5 sucks air in the adsorption / deodorization unit 3 side with a wide suction area
  • the adsorption / deodorization unit 3 can suck air in a wide range.
  • the deodorizing filters 31 to 33 of the adsorption deodorizing unit 3 can be enlarged, indoor air can be efficiently sucked and deodorized. This has the advantage of enabling efficient deodorization of air.
  • blower 5 discharges air to the ozone deodorizing unit 4 side with a small discharge area, air can be intensively supplied around the ozone generating unit 42 of the ozone deodorizing unit 4. As a result, there is an advantage that the reaction between air and ozone is efficiently performed and the deodorization performance is improved. Further, there is an advantage that the ozone generating part 42 can be made small or small.
  • ozone in the air is adjusted to a low concentration at the outlet of the ozone deodorizing unit 4 and is released into the room together with air.
  • the amount of ozone released is switched according to the air volume. For example, when the rotation speed (air volume) of the blower 5 is acquired when the deodorizer 1 is in operation, and the rotation speed of the blower 5 exceeds a predetermined threshold value (for example, a threshold value that affects the large air volume and the small air volume).
  • the lighting time of the ozone generator 42 (for example, the ONZOFF time ratio of lighting) is switched according to a predetermined setting pattern. The lighting time is automatically switched by the control unit 6.
  • the lighting time of the ozone generator 42 is set to be longer (for example, continuous lighting), and the amount of ozone generated is reduced. Controlled to increase.
  • the amount of ozone released into the room is a standard value (for example, 0.1 l [ppm] of the occupational health standard or 0.05 [ppm] of the IEC air purifier standard).
  • the lighting time of the ozone generator 42 is set to be short (flashing) for the following.
  • a configuration pattern for switching the amount of ozone generated is obtained in a configuration in which the amount of ozone generated (lighting time of the ozone generator 42) can be switched according to the air volume. It is preferable that a plurality of these are provided so as to be selectable (see FIG. 15). For example, in setting pattern A, the amount of ozone released (the amount of ozone released during each operation with large, medium, and small airflows) is set higher than setting pattern B. In turn C, the amount of ozone released is set lower than setting pattern B. These setting patterns can be arbitrarily selected or changed by the user.
  • the ozone emission amount setting patterns A to C can be manually set by the user.
  • the concentration of ozone released from the discharge port 22 of the housing 2 is regulated to 0.01 [ppm] or more and 0.02 [ppm] or less. That is, the concentration of released ozone is regulated to be within a predetermined range. As a result, there is an advantage that the concentration of released ozone is adjusted appropriately (so that it becomes low concentration ozone).
  • the ozone that is released is generated in the ozone deodorization unit 4.
  • the concentration of the released ozone is adjusted by the drive control of the ozone generating unit 42 of the ozone deodorizing unit 4.
  • the output of the ozone generator 42 (ultraviolet lamp lighting time) is controlled according to the air volume, and the ozone generation volume is adjusted (for example, in the case of a small air volume, the ultraviolet lamp lamp lighting time is adjusted. (Shortening control is performed).
  • an ozone decomposition catalyst 413 that decomposes ozone and restricts the passage of ozone is disposed at each outlet portion 4 12 of the ozone deodorizing section 4, and the ozone concentration released by taking into account the action of the ozone decomposition catalyst 413 is reduced. Be regulated.
  • Low-concentration ozone not only has a masking effect, but also stays in the room, soaks on the walls of the room, etc., and comes into contact with the oyster component to decompose it. Therefore, when the source of two odors is specified indoors, it is preferable that low-concentration ozone is directly sprayed on the source of the two oysters. For this reason, in this deodorizer 1, a louver (flap) 23 is arranged at the air discharge port 22, and the air blowing direction (wind direction) can be changed. In such a configuration, by changing the direction of the louver 23, low-concentration ozone can be sprayed directly on the source of the oyster, so that there is an advantage that the deodorizing effect in the room can be efficiently enhanced.
  • the discharge port 22 of the housing 2 is preferably composed of a variable opening 221 whose opening can be adjusted and a normal opening 222 having a certain opening. (See Figure 1, Figure and Figure 16).
  • the opening of the variable opening 221 can be changed depending on the posture of the louver 23, and can be fully closed (see FIG. 16 (c)).
  • the housing 2 has a convex portion and the discharge port 22 is formed in the convex portion (see Figs. 1 and 2).
  • the housing 2 since the housing 2 has a convex portion (convex shape), a discharge port is formed in the flat portion! Compared to the configuration (not shown), the opening area of the discharge port 22 can be increased. This has the advantage of reducing noise during operation with a large air flow because of low pressure loss.
  • the housing 2 may have a concave portion, and the discharge port 22 may be formed in the concave portion (not shown).
  • variable opening 221 is formed on the slope of the convex portion of the housing 2 on the slope of the suction opening 21 side of the housing 2, and the slope on the side different from this slope is formed. It is preferable that a normal opening 22 2 is formed in the base plate (see FIGS. 1 and 2). In such a configuration, it is possible to prevent the air discharged from the normal opening 222 from being sucked into the suction port 21 as a shortcut. Thereby, there exists an advantage by which the deodorized air is reduce
  • the variable opening 222 can be adjusted in the wind direction (the discharge port 22 of the housing 2 can be adjusted). It is preferable to have a structure in which the blowing direction of the air blown from the head can be adjusted.
  • the variable opening 222 is constituted by a louver.
  • the direction of blowing ozone (wind direction) from the discharge port can be changed by adjusting the wind direction at the opening that can adjust the wind direction.
  • the air direction at the variable opening 222 by adjusting the air direction at the variable opening 222, the flow of air that is about to be sucked into the interior medium force casing 2 rides on the air blown out from the casing 2 and enters the room. The situation of being pushed back is suppressed. As a result, the air circulation between the room and the deodorizer 1 is efficiently performed, so that the deodorization performance of the deodorizer 1 is improved.
  • the deodorizer according to the present invention is useful in that the deodorization performance can be improved.

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)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

Cette invention concerne un désodorisant comprenant un boîtier doté d’une ouverture d’aspiration d’air et d’un orifice de sortie d’air et contenant, en son sein, un conduit d’air reliant l’ouverture d’aspiration et l’orifice de sortie, un élément d’adsorption/désodorisation qui est disposé sur le conduit et fixe l’odeur de l’air pour un traitement de désodorisation d’air, un élément de désodorisation à ozone qui est disposé sur le conduit et réalise le traitement de désodorisation d’air par ozone, et un ventilateur qui assure la circulation de l’air dans le conduit. L’air soumis au traitement de désodorisation à la fois dans l’élément d’adsorption/désodorisation et l’élément de désodorisation à ozone est relâché via un orifice de sortie du boîtier à l’extérieur du désodorisant.
PCT/JP2006/315954 2005-08-12 2006-08-11 Désodorisant WO2007020896A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200680027602XA CN101232906B (zh) 2005-08-12 2006-08-11 脱臭器

Applications Claiming Priority (2)

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JP2005234816A JP2007044432A (ja) 2005-08-12 2005-08-12 脱臭器
JP2005-234816 2005-08-12

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WO2007020896A1 true WO2007020896A1 (fr) 2007-02-22

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
ITMI20131173A1 (it) * 2013-07-11 2015-01-12 Fulvio Perrone Apparecchiatura e metodo di deodorizzazione per ambienti

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5278394B2 (ja) * 2010-08-09 2013-09-04 株式会社富士通ゼネラル 脱臭装置
JP5382622B2 (ja) * 2010-08-20 2014-01-08 株式会社富士通ゼネラル 空気清浄機
CN102535613A (zh) * 2012-01-21 2012-07-04 西北工业大学 卫生间异味气体自动清洁装置及控制电路
CN111228558A (zh) * 2020-03-05 2020-06-05 深圳市晶灿生态环境科技有限公司 一种空气消毒杀菌设备
US11446600B2 (en) 2020-12-10 2022-09-20 Hourani Ip, Llc Detoxification device having heated filter for killing pathogens
JPWO2023286219A1 (fr) * 2021-07-14 2023-01-19

Citations (1)

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Publication number Priority date Publication date Assignee Title
JPH04288163A (ja) * 1991-02-14 1992-10-13 Takeda Chem Ind Ltd 脱臭方法および脱臭装置

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JPH04288163A (ja) * 1991-02-14 1992-10-13 Takeda Chem Ind Ltd 脱臭方法および脱臭装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20131173A1 (it) * 2013-07-11 2015-01-12 Fulvio Perrone Apparecchiatura e metodo di deodorizzazione per ambienti

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CN101232906B (zh) 2012-11-07
CN101232906A (zh) 2008-07-30
JP2007044432A (ja) 2007-02-22

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