JP2002291852A - Fluid cleaning device - Google Patents
Fluid cleaning deviceInfo
- Publication number
- JP2002291852A JP2002291852A JP2001095719A JP2001095719A JP2002291852A JP 2002291852 A JP2002291852 A JP 2002291852A JP 2001095719 A JP2001095719 A JP 2001095719A JP 2001095719 A JP2001095719 A JP 2001095719A JP 2002291852 A JP2002291852 A JP 2002291852A
- Authority
- JP
- Japan
- Prior art keywords
- photocatalyst
- light source
- fluid
- purification
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 66
- 238000004140 cleaning Methods 0.000 title abstract 4
- 239000011941 photocatalyst Substances 0.000 claims abstract description 76
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 25
- 239000000428 dust Substances 0.000 claims description 20
- 239000000126 substance Substances 0.000 abstract description 20
- 238000009825 accumulation Methods 0.000 abstract description 6
- 230000003213 activating effect Effects 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 description 81
- 230000001699 photocatalysis Effects 0.000 description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 22
- 230000006866 deterioration Effects 0.000 description 22
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 17
- 238000011109 contamination Methods 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 7
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 6
- 239000000356 contaminant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 235000019645 odor Nutrition 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- -1 titanium alkoxide Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Catalysts (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Physical Water Treatments (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は室内空気や大気など
の気体の浄化、上水や排水などの液体の浄化などの流体
浄化装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluid purifying apparatus for purifying gases such as indoor air and air, and purifying liquids such as tap water and waste water.
【０００２】[0002]
【従来の技術】光触媒による流体の浄化方法は常温でメ
ンテナンスフリーの方法として優れた方法である。この
方法には、酸化チタンなどの光触媒に紫外線を照射して
浄化する方法がある。2. Description of the Related Art A method for purifying a fluid using a photocatalyst is an excellent method as a maintenance-free method at room temperature. As this method, there is a method of irradiating a photocatalyst such as titanium oxide with ultraviolet rays for purification.
【０００３】[0003]
【発明が解決しようとする課題】しかし、光触媒の反応
速度は決して早くないので、分解処理能力を超える負荷
がかかると、未反応物が触媒表面に残り、徐々に分解処
理能力が劣化するという問題があった。また、光源の能
力を最大限に発揮させるために、従来は光源を流体中に
設けていたが、このため光源が汚染され光照射能力が落
ちるという問題があった。このように、光触媒による流
体の浄化においては、浄化性能の劣化が大きな課題であ
った。However, since the reaction rate of the photocatalyst is not so fast, if a load exceeding the decomposition treatment capacity is applied, unreacted substances remain on the catalyst surface, and the decomposition treatment capacity gradually deteriorates. was there. Further, in order to maximize the performance of the light source, the light source has conventionally been provided in the fluid. However, there has been a problem that the light source is contaminated and the light irradiation capability is reduced. As described above, in purifying a fluid using a photocatalyst, deterioration of purification performance has been a major issue.
【０００４】[0004]
【課題を解決するための手段】本発明の流体浄化装置
は、上記課題を解決するために、浄化しようとする流体
の経路において光触媒体を励起して活性化する光源を光
触媒体の上流側に設けることとしたものである。In order to solve the above-mentioned problems, a fluid purifying apparatus according to the present invention includes a light source for exciting and activating a photocatalyst in a flow path of a fluid to be purified, on the upstream side of the photocatalyst. It is to be provided.
【０００５】上記発明によれば、被分解物質の負荷が大
きい上流側の光触媒体に、強い光を照射することがで
き、未分解物質の堆積を防ぐことで、浄化性能の劣化の
少ない流体浄化装置を提供できる。[0005] According to the above invention, it is possible to irradiate an intense light to the photocatalyst on the upstream side where the load of the substance to be decomposed is large, and to prevent the accumulation of the undecomposed substance. Equipment can be provided.
【０００６】[0006]
【発明の実施の形態】請求項１に記載の発明は、流体を
浄化する機能を有する光触媒体とその光触媒体を励起し
て活性化する光源とを備えていて、前記光源は浄化しよ
うとする前記流体の流れ経路において前記光触媒体に対
し前記流体の上流に位置させたものである。そして上記
構成を実施の形態とした流体浄化装置は、被分解物質の
負荷が大きい上流側の光触媒体に、強い光を照射するこ
とができ、未分解物質の堆積を防ぐことで、浄化性能の
劣化を少なくできるものである。DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 comprises a photocatalyst having a function of purifying a fluid and a light source for exciting and activating the photocatalyst, and the light source is to purify. The photocatalyst is located upstream of the fluid in the flow path of the fluid. The fluid purification apparatus having the above-described embodiment as an embodiment can irradiate the upstream photocatalyst, which has a large load of the substance to be decomposed, with strong light, thereby preventing the accumulation of the undecomposed substance, thereby improving the purification performance. Deterioration can be reduced.
【０００７】請求項２に記載の発明は、請求項１に記載
の発明において、光源の上流側には防塵カバーを設けた
もので、上記構成を実施の形態とした流体浄化装置は、
光源の汚染を防ぎ、光触媒体への励起光照射能力の低下
を抑制することで、浄化性能の劣化を少なくすることが
できるものである。According to a second aspect of the present invention, in the first aspect of the present invention, a dust-proof cover is provided on an upstream side of the light source.
By preventing contamination of the light source and suppressing a decrease in the ability of the photocatalyst to irradiate the excitation light, deterioration of the purification performance can be reduced.
【０００８】請求項３に記載の発明は、請求項２に記載
の発明において、光源の防塵カバーの光源に対向する面
を反射面にしたもので、上記構成を実施の形態とした流
体浄化装置は、同じ出力の光源で光源から上流側へ向か
う光を反射させ光触媒体への照射強度を上げることがで
き、未分解物質の堆積を防ぎ、浄化性能の劣化を少なく
できるものである。According to a third aspect of the present invention, in the second aspect of the invention, the surface of the dustproof cover of the light source facing the light source is a reflection surface, and the above-described configuration is used as an embodiment of the fluid purification apparatus. The light source having the same output reflects light traveling upstream from the light source, thereby increasing the irradiation intensity on the photocatalyst, preventing the accumulation of undecomposed substances and reducing the deterioration of purification performance.
【０００９】請求項４に記載の発明は、請求項３に記載
の発明において、光源の防塵カバーの光源に対向する面
に光触媒体を設けたもので、上記構成を実施の形態とし
た流体浄化装置は、防塵カバーに付着した汚染物質を分
解し、防塵カバーの光源からの光の反射性能の劣化を抑
制し、光触媒体への励起光照射能力の低下を抑制するこ
とで、浄化性能の劣化を少なくすることができるもので
ある。According to a fourth aspect of the present invention, in the third aspect of the present invention, a photocatalyst is provided on a surface of the dustproof cover of the light source facing the light source. The device decomposes contaminants adhering to the dust cover, suppresses the deterioration of the light reflection performance of the light from the light source of the dust cover, and suppresses the deterioration of the ability to irradiate the photocatalyst with excitation light. Can be reduced.
【００１０】請求項５に記載の発明は、請求項１〜４の
いずれかに記載の発明において、光源の表面に光触媒体
を設けたもので、上記構成を実施の形態とした流体浄化
装置は、光源に付着した汚染物質を分解し、光源からの
光の照射量の低下を抑制し、光触媒体への励起光照射能
力の低下を抑制することで、浄化性能の劣化を少なくす
ることができるものである。According to a fifth aspect of the present invention, there is provided the fluid purification apparatus according to any one of the first to fourth aspects, wherein a photocatalyst is provided on the surface of the light source. By decomposing contaminants attached to the light source, suppressing a decrease in the irradiation amount of light from the light source, and suppressing a decrease in the ability of the photocatalyst to irradiate the excitation light, deterioration in purification performance can be reduced. Things.
【００１１】請求項６に記載の発明は、請求項５に記載
の発明において、光源の表面の光触媒体は風上側のみに
施したもので、上記構成を実施の形態とした流体浄化装
置は、光触媒体での光の吸収を極力小さくすると共に、
光源に付着した汚染物質を分解し、光源からの光の照射
量の低下を抑制し、光触媒体への励起光照射能力の低下
を抑制することで、浄化性能の劣化を少なくすることが
できるものである。According to a sixth aspect of the present invention, in the fifth aspect of the present invention, the photocatalyst on the surface of the light source is provided only on the windward side. While minimizing light absorption in the photocatalyst,
Decomposes contaminants attached to the light source, suppresses a decrease in the amount of light emitted from the light source, and suppresses a decrease in the ability to irradiate the excitation light to the photocatalyst, thereby reducing deterioration in purification performance. It is.
【００１２】請求項７に記載の発明は、請求項４〜６の
いずれかに記載の発明において、光触媒体をポーラスな
膜にしたもので、上記構成を実施の形態とした流体浄化
装置は、光触媒体の表面積を大きくすることができ、光
触媒の活性点を大きくできると共に、単位面積あたりの
汚染負荷を小さくすることができるので、光触媒体の性
能劣化を少なくすることができるものである。According to a seventh aspect of the present invention, there is provided the fluid purifying apparatus according to any one of the fourth to sixth aspects, wherein the photocatalyst is a porous film. The surface area of the photocatalyst can be increased, the active point of the photocatalyst can be increased, and the pollution load per unit area can be reduced, so that the performance degradation of the photocatalyst can be reduced.
【００１３】請求項８に記載の発明は、請求項１〜７の
いずれかに記載の発明において、光源の上流に集塵装置
を設けたもので、上記構成を実施の形態とした流体浄化
装置は、光源および光触媒体への粒子状汚染物質の付着
を抑制し、光源からの光照射能力と光触媒体の浄化性能
の劣化を少なくすることができるものである。According to an eighth aspect of the present invention, there is provided the fluid purifying apparatus according to any one of the first to seventh aspects, further comprising a dust collector provided upstream of the light source. Can suppress the attachment of particulate contaminants to the light source and the photocatalyst, and can reduce the deterioration of the light irradiation ability from the light source and the purification performance of the photocatalyst.
【００１４】なお、光触媒体は浄化しようとする流体が
通過できるように層状にしたり、または膜状にしたり、
あるいはフィルター状にするなど任意の形態とすること
ができる。The photocatalyst may be formed into a layer or a film so that a fluid to be purified can pass therethrough.
Alternatively, it may be in any form such as a filter.
【００１５】[0015]
【実施例】以下、本発明の実施例について、図面を参照
しながら説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１６】（実施例１）図１は、本発明の実施例１に
おける流体浄化装置の断面を示すものである。(Embodiment 1) FIG. 1 shows a cross section of a fluid purifying apparatus according to Embodiment 1 of the present invention.
【００１７】図１において、１は外筐体であり、その一
方には吸気口２が設けられ、他方には送気口３が設けら
れている。そして、吸気口２側から順に光源４、光触媒
浄化フィルタ５、送風機６が設けられている。In FIG. 1, reference numeral 1 denotes an outer casing, one of which is provided with an intake port 2 and the other of which is provided with an air supply port 3. A light source 4, a photocatalytic purification filter 5, and a blower 6 are provided in this order from the intake port 2 side.
【００１８】光触媒浄化フィルタ５に用いる光触媒とし
てはアナターゼ型、ルチル型酸化チタン、酸化亜鉛など
の半導体物質やこれらに白金などの金属超微粒子を担持
した物が用いられる。ここでは、アナターゼ型の酸化チ
タン（比表面積２８０m2/g）１５０gをセラミックハニ
カムにコーティングして光触媒浄化フィルタ５を形成し
た。なお、酸化チタンそのものでハニカム状や多孔質の
フィルタを形成しても良く、粒状の酸化チタンを集成し
てフィルタを形成しても良い。さらに、ゼオライトや活
性炭といった吸着材と共に用いても良い。光源４は光触
媒を励起する波長を持ったランプを用いる。ここでは、
酸化チタンを励起するのに十分なブラックライト水銀灯
を用いたが、殺菌灯や冷陰極の紫外線灯でもよい。酸化
チタンの励起を十分にするため、光触媒浄化フィルタ５
の光源４側の表面における３６０nmの紫外線強度が約２
mW/cm2になるように本実施例においては設定した。ま
た、送風機６の風量は３m3/minとした。As the photocatalyst used for the photocatalyst purifying filter 5, a semiconductor substance such as anatase type, rutile type titanium oxide or zinc oxide, or a substance carrying ultrafine metal particles such as platinum on these are used. Here, 150 g of anatase type titanium oxide (specific surface area: 280 m 2 / g) was coated on the ceramic honeycomb to form the photocatalytic purification filter 5. Note that a honeycomb-shaped or porous filter may be formed using titanium oxide itself, or a filter may be formed by collecting particulate titanium oxide. Further, it may be used together with an adsorbent such as zeolite or activated carbon. The light source 4 uses a lamp having a wavelength for exciting the photocatalyst. here,
Although a black light mercury lamp sufficient to excite titanium oxide was used, a germicidal lamp or a cold cathode ultraviolet lamp may be used. In order to sufficiently excite the titanium oxide, a photocatalytic purification filter 5
UV light intensity of 360 nm on the light source 4 side surface of
In this example, the setting was made to be mW / cm 2 . The air volume of the blower 6 was 3 m 3 / min.
【００１９】以上のように構成された流体浄化装置につ
いて、以下その動作、作用を説明する。The operation and operation of the fluid purifying device configured as described above will be described below.
【００２０】送風機６と光源４の電源を入れると、ハウ
スダストやタバコの煙、悪臭、ＶＯＣなどで汚染された
空気などの流体はＡ側の吸気口２から入る。そして、悪
臭やＶＯＣなどの分子状物質は光触媒浄化フィルタ５で
大部分が吸着され、吸着された物質は光源４から照射さ
れる紫外線によって励起された酸化チタンの作用で徐々
に分解され、浄化された流体が送気口３から外部にもど
される。When the power of the blower 6 and the light source 4 is turned on, fluid such as house dust, smoke of cigarettes, odor, and air contaminated with VOCs, etc., enters through the inlet port 2 on the A side. Most of the molecular substances such as odors and VOCs are adsorbed by the photocatalyst purifying filter 5, and the adsorbed substances are gradually decomposed and purified by the action of titanium oxide excited by ultraviolet rays emitted from the light source 4. The discharged fluid is returned to the outside from the air supply port 3.
【００２１】この実施例の効果について、（表１）を参
照しながら説明する。The effect of this embodiment will be described with reference to (Table 1).
【００２２】比較に用いた従来の流体浄化装置の断面を
図７に示す。図７において、６１は外筐体であり、その
一方には吸気口６２が設けられ、他方には送気口６３が
設けられている。そして、吸気口６２側から順に光触媒
浄化フィルタ６４、光源６５、送風機６６が設けられて
いる。光触媒浄化フィルタ６４と光源６５の位置以外は
本発明と同じ条件とした。光触媒浄化フィルタ６４の紫
外線強度は本発明と同じように約２mW/cm2となるように
設定した。FIG. 7 shows a cross section of a conventional fluid purification apparatus used for comparison. In FIG. 7, reference numeral 61 denotes an outer housing, one of which is provided with an intake port 62 and the other of which is provided with an air supply port 63. A photocatalyst purification filter 64, a light source 65, and a blower 66 are provided in this order from the intake port 62 side. Except for the positions of the photocatalyst purification filter 64 and the light source 65, the same conditions as in the present invention were used. The ultraviolet intensity of the photocatalyst purification filter 64 was set to be about 2 mW / cm 2 as in the present invention.
【００２３】本発明の実施例と従来の流体浄化装置の比
較は次のように行った。まず、１m3の試験ボックスに流
体浄化装置を入れると共に、アセトアルデヒドを濃度約
７０ＰＰＭになるように注入する。そして、流体浄化装
置を６０分間運転して後、アセトアルデヒドの濃度を測
定し、その減少率を流体浄化装置の初期浄化性能とす
る。次に、１m3 の試験ボックスにおいて、流体浄化装
置を運転しながら、たばこ（マイルドセブン）を５本ず
つ１２回、合計６０本を燃焼する。１回３０分とし、３
０分たったら次のたばこ５本を燃焼し、ボックス内の空
気を流体浄化装置で処理する。その後、再度１m3 の試
験ボックスにおいて流体浄化装置のアセトアルデヒドの
浄化性能を測定する。そして、たばこ処理後の浄化性能
が初期浄化性能に対し、何％劣化したかを浄化性能劣化
度として評価した。その結果を（表１）に示す。A comparison between the embodiment of the present invention and the conventional fluid purifying apparatus was made as follows. First, a fluid purifier is placed in a 1 m 3 test box, and acetaldehyde is injected so as to have a concentration of about 70 PPM. Then, after operating the fluid purification device for 60 minutes, the concentration of acetaldehyde is measured, and the decrease rate is defined as the initial purification performance of the fluid purification device. Next, in a test box of 1 m 3 , while operating the fluid purification apparatus, tobacco (mild seven) is burned 12 times 5 times, a total of 60 tobaccos. 30 minutes each time, 3
After 0 minute, the next five cigarettes are burned, and the air in the box is processed by the fluid purifier. After that, the acetaldehyde purification performance of the fluid purification device is measured again in a 1 m 3 test box. Then, what percentage of the purification performance after the tobacco treatment deteriorated with respect to the initial purification performance was evaluated as the purification performance degradation degree. The results are shown in (Table 1).
【００２４】[0024]
【表１】 [Table 1]
【００２５】この結果からも明らかなように、光源が光
触媒浄化フィルタに対し風上側に配置された実施例１の
方が、風下に配置された比較例よりも浄化性能劣化度が
小さく実用性が高い。As is clear from these results, the first embodiment in which the light source is arranged on the windward side of the photocatalytic purification filter has a smaller degree of deterioration of the purification performance than the comparative example arranged on the downwind side, and is less practical. high.
【００２６】（実施例２）図２は、本発明の実施例２に
おける流体浄化装置の断面を示すものである。(Embodiment 2) FIG. 2 shows a cross section of a fluid purification apparatus according to Embodiment 2 of the present invention.
【００２７】図２において、１１は外筐体であり、その
一方には吸気口１２が設けられ、他方には送気口１３が
設けられている。そして、吸気口１２側から順に防塵カ
バー１６、光源１４、光触媒浄化フィルタ１５、送風機
１７が設けられている。実施例１と同じようにアナター
ゼ型の酸化チタン（比表面積２８０m2/g）１５０gをセ
ラミックハニカムにコーティングして光触媒浄化フィル
タ１５を形成した。In FIG. 2, reference numeral 11 denotes an outer casing, one of which is provided with an air inlet 12 and the other is provided with an air inlet 13. A dustproof cover 16, a light source 14, a photocatalytic purification filter 15, and a blower 17 are provided in this order from the intake port 12 side. As in Example 1, 150 g of anatase-type titanium oxide (specific surface area: 280 m 2 / g) was coated on the ceramic honeycomb to form a photocatalytic purification filter 15.
【００２８】また、光触媒浄化フィルタ１５の光源１４
側の表面における３６０nmの紫外線強度が約２mW/cm2に
なるように設定した。また、送風機１７の風量は３m3/m
inとした。防塵カバー１６は光源１４側を湾曲の内面と
して、光源１４の上流側半面を覆うように設けられてい
る。そして、防塵カバー１６の材質はアルミナや磁器等
のセラミックや紫外線に強い樹脂、あるいは塗装鋼板等
で良いが、ここではアルミナを用いた。The light source 14 of the photocatalytic purification filter 15
The UV intensity at 360 nm on the side surface was set to about 2 mW / cm 2 . The air volume of the blower 17 is 3 m 3 / m
in. The dustproof cover 16 is provided so that the light source 14 side is a curved inner surface and covers the upstream half surface of the light source 14. The dustproof cover 16 may be made of ceramic such as alumina or porcelain, a resin resistant to ultraviolet rays, or a coated steel plate. In this case, alumina is used.
【００２９】以上のように構成された流体浄化装置にお
いては、防塵カバー１６が光源１４の上流側の汚染を防
止する。そのほかの動作、作用は実施例１と同じ様であ
る。本発明における流体浄化装置の浄化性能劣化度の評
価結果を（表１）に示す。実施例１に比べて、光源１４
の上流側の汚染が防塵カバー１６で防止できるので、光
源１４から光触媒浄化フィルタ１５に照射される紫外線
の減衰を小さくできるので、浄化性能劣化度をより小さ
くすることが出来る。In the fluid purifying apparatus configured as described above, the dust cover 16 prevents contamination on the upstream side of the light source 14. Other operations and functions are the same as in the first embodiment. Table 1 shows the evaluation results of the degree of deterioration of the purification performance of the fluid purification device according to the present invention. Compared to the first embodiment, the light source 14
Since the dust on the upstream side of the filter can be prevented by the dustproof cover 16, the attenuation of the ultraviolet light emitted from the light source 14 to the photocatalyst purification filter 15 can be reduced, so that the degree of purification performance deterioration can be further reduced.
【００３０】（実施例３）本発明の実施例３における流
体浄化装置は、実施例２において防塵カバー１６の光源
１４に対向する面が反射板からなるものである。反射面
は反射ステンレスやアルミニウムなど光沢のある金属、
光沢メッキした鋼板や樹脂、鏡などを用いても良い。こ
こでは、反射率が０．９の光沢アルミニウムを用いた。(Embodiment 3) In a fluid purifying apparatus according to Embodiment 3 of the present invention, the surface of the dustproof cover 16 facing the light source 14 in Embodiment 2 is formed of a reflector. The reflective surface is a glossy metal such as reflective stainless steel or aluminum,
A gloss-plated steel plate, resin, mirror, or the like may be used. Here, glossy aluminum having a reflectance of 0.9 was used.
【００３１】実施例３においては、光源１４からの紫外
線を防塵カバー１６の反射面で反射するので、同じ出力
の光源１４で光源から上流側へ向かう光を反射させ光触
媒浄化フィルタ１５への照射強度を上げることができ、
浄化能力を高めることができるので、未分解物質の堆積
を防ぎ、浄化性能の劣化も少なくできるものである。In the third embodiment, since the ultraviolet light from the light source 14 is reflected by the reflection surface of the dustproof cover 16, the light from the light source 14 having the same output is reflected toward the upstream side so that the irradiation intensity on the photocatalytic purification filter 15 is increased. Can be raised,
Since the purification ability can be increased, accumulation of undecomposed substances can be prevented, and deterioration of the purification performance can be reduced.
【００３２】（表１）に示すように、光触媒浄化フィル
タ１５の表面における３６０nmの紫外線強度を、実施例
２と同じ約２mW/cm2になるように設定した場合の、浄化
性能劣化度は実施例２よりもやや大きい。As shown in Table 1, when the ultraviolet intensity of 360 nm on the surface of the photocatalyst purification filter 15 is set to be about 2 mW / cm 2 , which is the same as that in the second embodiment, the purification performance deterioration degree is measured. Slightly larger than in Example 2.
【００３３】（実施例４）図３は、本発明の実施例４に
おけるの流体浄化装置の断面を示すものである。(Embodiment 4) FIG. 3 shows a cross section of a fluid purification apparatus according to Embodiment 4 of the present invention.
【００３４】図３において、２１は外筐体であり、その
一方には吸気口２２が設けられ、他方には送気口２３が
設けられている。そして、吸気口２２側から順に光触媒
付き防塵カバー２６、光源２４、光触媒浄化フィルタ２
５、送風機２７が設けられている。実施例１と同じよう
にアナターゼ型の酸化チタン（比表面積２８０m2/g）１
５０gをセラミックハニカムにコーティングして光触媒
浄化フィルタ２５を形成した。また、光触媒浄化フィル
タ２５の光源１４側の表面における３６０nmの紫外線強
度が約２mW/cm2 になるように設定した。また、送風機
２７の風量は３m 3/minとした。光触媒付き防塵カバー２
６は光源２４側を湾曲の内面として、光源２４の上流側
半面を覆うように設けられている。そして、光触媒付き
防塵カバー２６の光源２４に対向する面は実施例３と同
じように反射板からなるものであり、ここでは、反射率
が０．９の光沢アルミニウムを用いた。そして、さらに
この光触媒付き防塵カバー２６の光源２４に対向する反
射面には、光触媒膜をコーティングした。この膜は反射
率を落とさないように極力薄い膜の光触媒膜を付けた。
ここでは、チタンアルコキシドを使って、約０．５μm
の酸化チタン膜を施した。In FIG. 3, reference numeral 21 denotes an outer housing,
One is provided with an air inlet 22, and the other is provided with an air inlet 23.
Is provided. Then, the photocatalyst is sequentially arranged from the intake port 22 side.
Dust cover 26, light source 24, photocatalytic purification filter 2
5. A blower 27 is provided. Same as the first embodiment
Anatase type titanium oxide (specific surface area 280mTwo/ g) 1
50g coated on ceramic honeycomb and photocatalyst
The purification filter 25 was formed. In addition, photocatalyst purification filter
Intensity of 360 nm on the surface of the light source 14 side of the light source 25
The degree is about 2mW / cmTwoIt was set to become. Also blower
The air volume of 27 is 3m Three/ min. Dust cover with photocatalyst 2
Reference numeral 6 denotes an upstream side of the light source 24 with the light source 24 side as a curved inner surface.
It is provided so as to cover a half surface. And with photocatalyst
The surface of the dust cover 26 facing the light source 24 is the same as in the third embodiment.
It is composed of a reflector, and here, the reflectance is
Was 0.9. And further
The dust-proof cover 26 with the photocatalyst is
The emitting surface was coated with a photocatalytic film. This film is reflective
A thin photocatalytic film was attached as much as possible so as not to decrease the efficiency.
Here, using titanium alkoxide, about 0.5μm
Was applied.
【００３５】以上のように構成された流体浄化装置にお
いては、光触媒付き防塵カバー２６が光源２４の上流側
の汚染を防止すると共に、自らの反射面の汚染を防止
し、反射率の低下を防ぐことができる。そのほかの動
作、作用は実施例３と同じ様である。In the fluid purifying apparatus constructed as described above, the dust-proof cover 26 with the photocatalyst prevents contamination on the upstream side of the light source 24, prevents contamination of its own reflection surface, and prevents a decrease in reflectance. be able to. Other operations and functions are the same as in the third embodiment.
【００３６】本発明における流体浄化装置の浄化性能劣
化度の評価結果を（表１）に示す。実施例１に比べて、
光源２４の上流側の汚染が光触媒付き防塵カバー２６で
防止でき、反射面の反射率の低下も抑制されるので、光
触媒浄化フィルタ２５の表面における３６０nmの紫外線
強度を、実施例２と同じ約２mW/cm2になるように設定し
た場合の、浄化性能劣化度は実施例２とほぼ同じであ
る。Table 1 shows the evaluation results of the degree of deterioration of the purification performance of the fluid purification apparatus according to the present invention. Compared to Example 1,
The contamination on the upstream side of the light source 24 can be prevented by the dust-proof cover 26 with the photocatalyst, and the decrease in the reflectance of the reflection surface is also suppressed. The degree of purification performance deterioration when set to / cm 2 is almost the same as in Example 2.
【００３７】実施例４においては、光源２４からの紫外
線を光触媒付き防塵カバー２６の反射面で反射するの
で、同じ出力の光源２４で光源から上流側へ向かう光を
反射させ光触媒浄化フィルタ２５への照射強度を上げる
ことができ、浄化能力を高めることができるので、未分
解物質の堆積を防ぎ、浄化性能の劣化も少なくできると
ともに、その効果を持続できるものである。In the fourth embodiment, since the ultraviolet light from the light source 24 is reflected by the reflection surface of the dust-proof cover 26 with the photocatalyst, the light source 24 having the same output reflects the light traveling upstream from the light source to the photocatalyst purification filter 25. Since the irradiation intensity can be increased and the purification ability can be enhanced, the accumulation of undecomposed substances can be prevented, the deterioration of the purification performance can be reduced, and the effect can be maintained.
【００３８】（実施例５）図４は、本発明の実施例５に
おける流体浄化装置の断面を示すものである。(Embodiment 5) FIG. 4 shows a cross section of a fluid purification apparatus according to Embodiment 5 of the present invention.
【００３９】図４において、３１は外筐体であり、その
一方には吸気口３２が設けられ、片方には送気口３３が
設けられている。そして、吸気口３２側から順に、光触
媒付き光源３４、光触媒浄化フィルタ３５および送風機
３６が設けられている。光触媒浄化フィルタ３５は、実
施例１と同じようにアナターゼ型の酸化チタン（比表面
積２８０m2/g）１５０gをセラミックハニカムにコーテ
ィングして形成した。In FIG. 4, reference numeral 31 denotes an outer casing, one of which is provided with an air inlet 32, and one of which is provided with an air inlet 33. A light source with photocatalyst 34, a photocatalyst purification filter 35, and a blower 36 are provided in this order from the intake port 32 side. The photocatalytic purification filter 35 was formed by coating a ceramic honeycomb with 150 g of anatase-type titanium oxide (specific surface area: 280 m 2 / g) as in Example 1.
【００４０】光源３４の表面には光触媒膜をコーティン
グした。この膜は紫外線の透過率を極力落とさないよう
に、できるだけ薄い膜の光触媒膜を付けた。ここでは、
チタンアルコキシドを使って、約０．５μmの酸化チタ
ン膜を施した。また、光触媒浄化フィルタ３５の光触媒
付き光源３４側の表面における３６０nmの紫外線強度が
約２mW/cm2になるように設定した。また、送風機３６の
風量は３m3/minとした。The surface of the light source 34 was coated with a photocatalytic film. This film was provided with a photocatalytic film as thin as possible so as not to reduce the transmittance of ultraviolet rays as much as possible. here,
A titanium oxide film of about 0.5 μm was formed using titanium alkoxide. The ultraviolet intensity at 360 nm on the surface of the photocatalyst purification filter 35 on the side of the light source with photocatalyst 34 was set to be about 2 mW / cm 2 . The air volume of the blower 36 was 3 m 3 / min.
【００４１】以上のように構成された流体浄化装置にお
いては、光源３４の表面の光触媒膜は浄化能力を高める
と共に、光源３４自身の汚染を防止することができる。
そのほかの動作、作用は実施例１と同じ様である。In the fluid purifying apparatus configured as described above, the photocatalytic film on the surface of the light source 34 can improve the purifying ability and prevent the light source 34 itself from being contaminated.
Other operations and functions are the same as in the first embodiment.
【００４２】本発明における流体浄化装置の浄化性能劣
化度の評価結果を（表１）に示す。実施例２に比べて、
光源３４の汚染が光触媒膜で防止でき、浄化性能劣化度
は実施例１よりも小さい。Table 1 shows the evaluation results of the degree of deterioration of the purification performance of the fluid purification apparatus according to the present invention. Compared to Example 2,
The contamination of the light source 34 can be prevented by the photocatalytic film, and the degree of purification performance deterioration is smaller than in the first embodiment.
【００４３】（実施例６）図５は、本発明の実施例６に
おけるの流体浄化装置の一部断面を示すものである。(Embodiment 6) FIG. 5 shows a partial cross section of a fluid purification apparatus according to Embodiment 6 of the present invention.
【００４４】図５において、４４は光源、４５は光源の
上流側に施された光触媒層、４６は光触媒浄化フィルタ
である。光触媒浄化フィルタ４６は、実施例１と同じよ
うにアナターゼ型の酸化チタン（比表面積２８０m2/g）
１５０gをセラミックハニカムにコーティングして形成
した。光源４４の上流側表面には光触媒膜をコーティン
グした。この膜は、チタンアルコキシドを使って、１μ
m程度の酸化チタン膜を施した。また、光触媒浄化フィ
ルタ４６の光触媒層４５を施した光源４４側の表面にお
ける３６０nmの紫外線強度が約２mW/cm2 になるように
設定した。In FIG. 5, 44 is a light source, 45 is a photocatalyst layer provided on the upstream side of the light source, and 46 is a photocatalyst purification filter. The photocatalytic purification filter 46 is made of anatase-type titanium oxide (specific surface area 280 m 2 / g) as in the first embodiment.
150 g was formed by coating a ceramic honeycomb. The upstream surface of the light source 44 was coated with a photocatalytic film. This film is made of titanium
A titanium oxide film of about m was applied. In addition, the UV intensity at 360 nm on the surface of the photocatalyst purification filter 46 on the side of the light source 44 on which the photocatalyst layer 45 was formed was set to be about 2 mW / cm 2 .
【００４５】以上のように構成された流体浄化装置にお
いては、実施例５と同じように、光源４４の表面の光触
媒層４５は浄化能力を高めると共に、光源４４自身の汚
染を防止することができる。そのほかの動作、作用は実
施例１ならびに５と同様である。実施例５と異なる点
は、光触媒層４５が汚染されやすい光源４４の上流側の
みに施されているので、光触媒浄化フィルタ４６の上流
側への紫外線を遮ることがない。したがって、実施例１
とほぼ同じ出力の光源４４で、光触媒浄化フィルタ４６
の光源４４側の表面における紫外線強度を約２mW/cm2に
でき、かつ、浄化性能劣化度を実施例５と同じ程度に小
さくできる。In the fluid purifying apparatus configured as described above, the photocatalytic layer 45 on the surface of the light source 44 can increase the purifying ability and prevent contamination of the light source 44 itself as in the fifth embodiment. . Other operations and operations are the same as those of the first and fifth embodiments. The difference from the fifth embodiment is that the photocatalyst layer 45 is provided only on the upstream side of the light source 44, which is easily contaminated, so that ultraviolet rays to the upstream side of the photocatalyst purification filter 46 are not blocked. Therefore, Example 1
A light source 44 having substantially the same output as that of
The ultraviolet intensity on the surface on the light source 44 side can be reduced to about 2 mW / cm 2 , and the degree of deterioration of the purification performance can be reduced to the same degree as in the fifth embodiment.
【００４６】（実施例７）実施例７は、実施例４から６
において、防塵フィルタ、あるいは光源の表面に設けた
光触媒膜をポーラスな膜にした場合である。この膜は、
たとえば、チタンアルコキシドにポリエチレングリコー
ルなどの有機物を配合してコーティングした後、熱処理
で有機物を分解するなどの方法で施した。ここでは、約
１μm程度のポーラスな酸化チタン膜を施した。(Embodiment 7) Embodiment 7 is similar to Embodiments 4 to 6
In this case, a porous film is used as the dust-proof filter or the photocatalytic film provided on the surface of the light source. This membrane
For example, the coating was performed by mixing an organic substance such as polyethylene glycol with titanium alkoxide, and then decomposing the organic substance by heat treatment. Here, a porous titanium oxide film of about 1 μm was applied.
【００４７】本実施例７の流体浄化装置によれば、実施
例４から６の場合よりも、浄化能力を高めることができ
る。また、（表１）に示すように、実施例７−１、７−
２は実施例４および５にくらべ、一層、浄化性能劣化度
を小さくできる。According to the fluid purifying apparatus of the seventh embodiment, the purifying ability can be higher than that of the fourth to sixth embodiments. Further, as shown in (Table 1), Examples 7-1 and 7-
Sample No. 2 can further reduce the degree of deterioration in purification performance as compared with Examples 4 and 5.
【００４８】（実施例８）図６は、本発明の実施例８に
おけるの流体浄化装置の断面を示すものである。図６に
おいて、５１は外筐体であり、その一方には吸気口５２
が設けられ、他方には送気口５３が設けられている。そ
して、吸気口５２側から順に集塵フィルタ５８、防塵カ
バー５６、光源５４、光触媒浄化フィルタ５５、送風機
５７が設けられている。(Eighth Embodiment) FIG. 6 shows a cross section of a fluid purifying apparatus according to an eighth embodiment of the present invention. In FIG. 6, reference numeral 51 denotes an outer casing, one of which is an intake port 52.
And the other side is provided with an air supply port 53. Further, a dust collecting filter 58, a dustproof cover 56, a light source 54, a photocatalytic purification filter 55, and a blower 57 are provided in this order from the intake port 52 side.
【００４９】集塵フィルタ５８はタバコの煙やアエロジ
ルなどの微細粒子が捕集されるように、プリーツ加工さ
れた高性能のＨＥＰＡフィルタなどを用いる。集塵フィ
ルタ５８に替わって電気集塵装置を用いても良い。光触
媒浄化フィルタ５５は実施例１と同じようにアナターゼ
型の酸化チタン（比表面積２８０m2/g）１５０gをセラ
ミックハニカムにコーティングして形成した。また、光
触媒浄化フィルタ５５の光源５４側の表面における３６
０nmの紫外線強度が約２mW/cm2になるように設定した。
さらに、送風機５７の風量は３m3/minとした。防塵カバ
ー５６は実施例２と同じように、光源５４側を湾曲の内
面として、光源５４の上流側半面を覆うように設けられ
ている。そして、防塵カバー５６は、ここではアルミナ
を用いた。As the dust collecting filter 58, a high-performance pleated HEPA filter or the like is used to collect fine particles such as cigarette smoke and aerosil. An electric dust collector may be used instead of the dust filter 58. The photocatalyst purification filter 55 was formed by coating a ceramic honeycomb with 150 g of anatase type titanium oxide (specific surface area: 280 m 2 / g) in the same manner as in Example 1. 36 on the surface of the photocatalytic purification filter 55 on the light source 54 side.
The ultraviolet intensity at 0 nm was set to be about 2 mW / cm 2 .
Further, the air volume of the blower 57 was 3 m 3 / min. As in the second embodiment, the dustproof cover 56 is provided so as to cover the upstream half surface of the light source 54 with the light source 54 side as a curved inner surface. The dustproof cover 56 is made of alumina here.
【００５０】以上のように構成された流体浄化装置につ
いて、以下その動作、作用を説明する。The operation and operation of the fluid purifying apparatus configured as described above will be described below.
【００５１】送風機５７と光源５４の電源を入れると、
ハウスダストやタバコの煙、悪臭、ＶＯＣなどで汚染さ
れた空気はＫ側の吸気口５２から入る。そして、煙やハ
ウスダストは集塵フィルタ５８で捕集される。残りの悪
臭とＶＯＣ物質などの分子状物質は光触媒浄化フィルタ
５５で大部分が吸着され、吸着された物質は光源５４か
ら照射される紫外線によって励起された酸化チタンの作
用で徐々に分解され、浄化された流体が送気口５３から
外部にもどされる。When the power of the blower 57 and the light source 54 is turned on,
Air contaminated with house dust, cigarette smoke, offensive odor, VOC, and the like enters through the K-side intake port 52. Then, smoke and house dust are collected by the dust collecting filter 58. Most of the remaining odors and molecular substances such as VOC substances are adsorbed by the photocatalyst purification filter 55, and the adsorbed substances are gradually decomposed by the action of titanium oxide excited by the ultraviolet rays emitted from the light source 54, and purified. The discharged fluid is returned from the air supply port 53 to the outside.
【００５２】本実施例８の流体浄化装置は実施例２に比
べて、集塵フィルタ５８で光触媒浄化フィルタ５５で分
解されにくく、光源５４の汚染原因物質である粒子状物
質をほとんど除去できるので、浄化能力が高い。また、
（表１）に示すように、浄化性能劣化度も小さくでき
る。Since the fluid purifying apparatus of the eighth embodiment is less likely to be decomposed by the photocatalyst purifying filter 55 by the dust collecting filter 58 and can remove most of the particulate matter which is a pollutant of the light source 54, as compared with the second embodiment. High purification ability. Also,
As shown in Table 1, the purification performance deterioration degree can be reduced.
【００５３】[0053]
【発明の効果】以上説明したように本発明によれば、被
汚染物質で負荷の大きい上流側の光触媒層に、より強い
光を照射でき、触媒を活性化できるとともに、本発明の
請求項２〜８に記載の発明によれば、光源の汚染による
照射光の強度の低下を抑制することができるので、流体
の浄化性能を高く維持することができる。As described above, according to the present invention, it is possible to irradiate more intense light to the photocatalyst layer on the upstream side which is heavily loaded with contaminants, thereby activating the catalyst, and claim 2 of the present invention. According to the inventions described in Nos. 1 to 8, a decrease in the intensity of irradiation light due to contamination of the light source can be suppressed, so that the purification performance of the fluid can be maintained high.
【図１】本発明の実施例１における流体浄化装置の構成
を示す断面図FIG. 1 is a cross-sectional view illustrating a configuration of a fluid purification device according to a first embodiment of the present invention.
【図２】本発明の実施例２と実施例３における流体浄化
装置の構成を示す断面図FIG. 2 is a cross-sectional view illustrating a configuration of a fluid purification apparatus according to Embodiments 2 and 3 of the present invention.
【図３】本発明の実施例４における流体浄化装置の構成
を示す断面図FIG. 3 is a cross-sectional view illustrating a configuration of a fluid purification device according to a fourth embodiment of the present invention.
【図４】本発明の実施例５における流体浄化装置の構成
を示す断面図FIG. 4 is a cross-sectional view illustrating a configuration of a fluid purification device according to a fifth embodiment of the present invention.
【図５】本発明の実施例６における流体浄化装置の構成
を示す一部断面図FIG. 5 is a partial cross-sectional view illustrating a configuration of a fluid purification device according to a sixth embodiment of the present invention.
【図６】本発明の実施例８における流体浄化装置の構成
を示す断面図FIG. 6 is a cross-sectional view illustrating a configuration of a fluid purification device according to an eighth embodiment of the present invention.
【図７】従来の流体浄化装置の構成を示す断面図FIG. 7 is a cross-sectional view showing a configuration of a conventional fluid purification device.
４、１４、２４、４４、５４、６５ 光源 ５、１５、２５、３５、４６、５５、６４ 光触媒浄化
フィルタ １６、５６ 防塵カバー ２６ 光触媒付き防塵カバー ３４ 光触媒付き光源 ４５ 光触媒層 ５８ 集塵フィルタ4, 14, 24, 44, 54, 65 Light source 5, 15, 25, 35, 46, 55, 64 Photocatalytic purification filter 16, 56 Dustproof cover 26 Dustproof cover with photocatalyst 34 Light source with photocatalyst 45 Photocatalytic layer 58 Dust filter
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ０１Ｄ 53/86 ＺＡＢ Ｂ０１Ｊ 35/02 Ｊ ４Ｇ０６９ Ｂ０１Ｊ 35/02 Ｃ０２Ｆ 1/32 Ｃ０２Ｆ 1/32 1/72 １０１ 1/72 １０１ Ｂ０１Ｄ 53/36 ＺＡＢＪ (72)発明者 中野 幸一 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 志賀 あづさ 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 Ｆターム(参考） 4C058 AA20 BB02 BB06 BB07 CC02 CC08 JJ02 JJ26 KK02 KK12 KK46 4C080 AA07 AA10 BB02 HH05 JJ04 KK08 LL10 MM02 QQ11 4D037 AA01 AA11 AB03 AB04 AB11 BA18 CA12 4D048 AA19 BA05X BA07X BA10X BA11X BA13X BA16Y BA30Y BA39X BA41X BB02 CA01 CC63 CD03 CD05 CD08 EA01 EA04 4D050 AA01 AA12 AB04 AB06 AB14 BB01 BC06 BC09 4G069 AA03 BA04A BA04B BA13A BA13B BA48A BB02A BB04A BC35A BC75A CA05 CA17 EA19 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) B01D 53/86 ZAB B01J 35/02 J 4G069 B01J 35/02 C02F 1/32 C02F 1/32 1/72 101 1/72 101 B01D 53/36 ZABJ (72) Inventor Koichi Nakano 1006 Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. F term (for reference) 4C058 AA20 BB02 BB06 BB07 CC02 CC08 JJ02 JJ26 KK02 KK12 KK46 4C080 AA07 AA10 BB02 HH05 JJ04 KK08 LL10 MM02 QQ11 4D037 AA01 AA11 AB03 AB04 BA11 BA18 BA19 BAX BAA BAX BAA BAX CD03 CD05 CD08 EA01 EA04 4D050 AA01 AA12 AB04 AB06 AB14 BB01 BC06 BC09 4G069 AA03 BA04A BA04 B BA13A BA13B BA48A BB02A BB04A BC35A BC75A CA05 CA17 EA19
Claims (8)
その光触媒体を励起して活性化する光源とを備えてい
て、前記光源は浄化しようとする前記流体の流れ経路に
おいて前記光触媒体に対し前記流体の上流に位置させた
ことを特徴とする流体浄化装置。1. A photocatalyst having a function of purifying a fluid, and a light source that excites and activates the photocatalyst, wherein the light source is provided to the photocatalyst in a flow path of the fluid to be purified. A fluid purifying device located upstream of the fluid.
とを特徴とする請求項１に記載の流体浄化装置。2. The fluid purifying apparatus according to claim 1, wherein a dust cover is provided upstream of the light source.
反射面としたことを特徴とする請求項２に記載の流体浄
化装置。3. The fluid purifying apparatus according to claim 2, wherein a surface of the dustproof cover of the light source facing the light source is a reflection surface.
光触媒体を設けたことを特徴とする請求項３に記載の流
体浄化装置。4. The fluid purifying apparatus according to claim 3, wherein a photocatalyst is provided on a surface of the dustproof cover of the light source facing the light source.
徴とする請求項１〜４のいずれかに記載の流体浄化装
置。5. The fluid purifying apparatus according to claim 1, wherein a photocatalyst is provided on a surface of the light source.
したことを特徴とする請求項５に記載の流体浄化装置。6. The fluid purifying apparatus according to claim 5, wherein the photocatalyst on the surface of the light source is provided only on the windward side.
徴とする請求項４〜６のいずれかに記載の流体浄化装
置。7. The fluid purifying apparatus according to claim 4, wherein the photocatalyst is a porous film.
徴とする請求項１〜７のいずれかに記載の流体浄化装
置。8. The fluid purifying apparatus according to claim 1, wherein a dust collecting device is provided upstream of the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001095719A JP2002291852A (en) | 2001-03-29 | 2001-03-29 | Fluid cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001095719A JP2002291852A (en) | 2001-03-29 | 2001-03-29 | Fluid cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002291852A true JP2002291852A (en) | 2002-10-08 |
Family
ID=18949732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001095719A Pending JP2002291852A (en) | 2001-03-29 | 2001-03-29 | Fluid cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002291852A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007054465A (en) * | 2005-08-26 | 2007-03-08 | Utsunomiya Univ | Sterilizer |
| US7758821B2 (en) | 2001-07-30 | 2010-07-20 | Carrier Corporation | Modular photocatalytic air purifier |
-
2001
- 2001-03-29 JP JP2001095719A patent/JP2002291852A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7758821B2 (en) | 2001-07-30 | 2010-07-20 | Carrier Corporation | Modular photocatalytic air purifier |
| US7951327B2 (en) | 2001-07-30 | 2011-05-31 | Carrier Corporation | Photocatalytic air purifier for a fan coil unit |
| JP2007054465A (en) * | 2005-08-26 | 2007-03-08 | Utsunomiya Univ | Sterilizer |
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