JP2949755B2 - Deodorizer - Google Patents
DeodorizerInfo
- Publication number
- JP2949755B2 JP2949755B2 JP2037559A JP3755990A JP2949755B2 JP 2949755 B2 JP2949755 B2 JP 2949755B2 JP 2037559 A JP2037559 A JP 2037559A JP 3755990 A JP3755990 A JP 3755990A JP 2949755 B2 JP2949755 B2 JP 2949755B2
- Authority
- JP
- Japan
- Prior art keywords
- ozone
- catalyst layer
- deodorizer
- electrode
- decomposition catalyst
- 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.)
- Expired - Fee Related
Links
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はコロナ放電によって発生したオゾンを利用す
る脱臭器に関する。Description: TECHNICAL FIELD The present invention relates to a deodorizer using ozone generated by corona discharge.
（従来の技術） オゾン発生器を用いた脱臭器として実開平１−128822
号に開示されるものが知られている。このオゾン発生器
は第３図に示すように、ケース100内に形成される空気
の流通路の上流側をオゾン発生部101、下流側を脱臭部1
02とし、オゾン発生部101にはコロナ放電器103を、脱臭
部102にはオゾン分解触媒層104を配置し、コロナ放電器
103の電極103a、103b間に高周波電圧を印加することで
オゾンO3を発生せしめ、このオゾンO3と臭成分を含む空
気とを混合して、脱臭部102に送り込み、オゾンを触媒
層104に接触させて酸素分子と活性な酸素原子に分解
し、この活性な酸素原子と臭成分とを反応せしめて脱臭
するようにしている。(Prior Art) As a deodorizer using an ozone generator, Japanese Utility Model Application No. 1-128822
Are disclosed in US Pat. As shown in FIG. 3, the ozone generator has an ozone generation section 101 on the upstream side of an air flow passage formed in the case 100 and a deodorization section 1 on the downstream side.
02, a corona discharger 103 is disposed in the ozone generator 101, and an ozone decomposition catalyst layer 104 is disposed in the deodorizer 102.
103 of the electrode 103a, ozone O 3 allowed generated by applying a high frequency voltage between 103b, by mixing the air containing the ozone O 3 and smell components, fed to the deodorization unit 102, ozone in the catalyst layer 104 It is decomposed into oxygen molecules and active oxygen atoms by contact, and the active oxygen atoms react with odor components to deodorize.
（発明が解決しようとする課題） 上述した従来の脱臭器にあっては、空気の流通路の一
部のみがオゾン発生部となっているため、臭成分を含む
空気とオゾンとの混合が不十分なまま脱臭部に入り、脱
臭を効果的に行なえなかったり、オゾンが発生する位置
と分解する位置とが離れているため、脱臭器自体のサイ
ズが大型化し、また発生したオゾンによって脱臭器のケ
ース内壁等が腐食しやすい。(Problems to be Solved by the Invention) In the above-mentioned conventional deodorizer, only a part of the air flow path is an ozone generating section, so that mixing of the air containing the odor component and the ozone is not possible. The deodorizing unit enters the deodorizing section with sufficient space, deodorizing cannot be performed effectively, or the position where ozone is generated is separated from the position where it decomposes. The inner wall of the case is easily corroded.
（課題を解決するための手段） 上記課題を解決すべく本発明は、空気の流通路の上流
側に電極を、下流側に前記電極と対をなす電極として機
能し且つ空気の流通が可能な形状若しくは構造をしたオ
ゾン分解触媒層を配置し、これら電極及びオゾン分解触
媒層を高周波電源に接続した。(Means for Solving the Problems) In order to solve the above problems, the present invention functions as an electrode on the upstream side of the air flow passage and as an electrode paired with the electrode on the downstream side, and allows air to flow. An ozone decomposition catalyst layer having a shape or a structure was arranged, and these electrodes and the ozone decomposition catalyst layer were connected to a high frequency power supply.
（作用） 空気の流通路の上流側に配置される電極と下流側に配
置されるオゾン分解触媒層間に高周波を印加すると、電
極とオゾン分解触媒層との間にコロナ放電が生じ、この
コロナ放電によってオゾンが発生し、発生したオゾンは
触媒に接触することで酸素分子と活性な酸素原子に分解
され、活性な酸素原子が空気中の臭成分と反応して脱臭
する。(Operation) When a high frequency is applied between the electrode disposed on the upstream side of the air flow passage and the ozone decomposition catalyst layer disposed on the downstream side, corona discharge occurs between the electrode and the ozone decomposition catalyst layer, and this corona discharge occurs. Ozone is generated, and the generated ozone is decomposed into oxygen molecules and active oxygen atoms by contacting the catalyst, and the active oxygen atoms react with odor components in the air to deodorize.
（実施例） 以下に本発明の実施例を添付図面に基いて説明する。(Example) Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.
第１図は本発明に係る脱臭器を組込んだ脱臭装置の断
面図であり、脱臭装置は吸気口1aと排気口1bを形成した
ケース１内に脱臭器２を配置し、吸気口1aから吸込んだ
臭成分を含んだ空気を脱臭器２の表面に接触させつつフ
ァン３にて排気口1bから排出するようにしている。FIG. 1 is a sectional view of a deodorizer incorporating a deodorizer according to the present invention. The deodorizer has a deodorizer 2 disposed in a case 1 having an intake port 1a and an exhaust port 1b. The air containing the inhaled odor component is exhausted from the exhaust port 1b by the fan 3 while being in contact with the surface of the deodorizer 2.
脱臭器２はケース１にて画成される空気の流通路４の
上流側に高周波電源５に接続される網目状電極６を配置
し、下流側に同じく高周波電源５に接続されるハニカム
構造のオゾン分解触媒層７を配置している。このオゾン
分解触媒層７はコロナ放電器における放電電極として作
用するものとする。つまりオゾン分解触媒層７は電気的
に導体又は半導体の性質を持つもの、具体的にはオゾン
分解触媒層７の体積抵抗は1013Ω・cm以下とする。The deodorizer 2 has a honeycomb structure in which a mesh electrode 6 connected to a high-frequency power supply 5 is arranged on the upstream side of the air flow passage 4 defined by the case 1 and is also connected to the high-frequency power supply 5 on the downstream side. An ozone decomposition catalyst layer 7 is provided. The ozone decomposition catalyst layer 7 functions as a discharge electrode in a corona discharger. That is, the ozone decomposition catalyst layer 7 is electrically conductive or semiconductor, specifically, the volume resistance of the ozone decomposition catalyst layer 7 is 10 13 Ω · cm or less.
また、オゾンを分解する触媒の材質としては酸化チタ
ン、酸化マンガン、酸化コバルト、酸化ニッケルなどの
金属酸化物、これらに銀などの貴金属を担持させたも
の、酸化銅と酸化マンガンとの混合物などを用い、酸化
チタンや酸化マンガンのようにそれ自体で体積抵抗が10
13Ω・cm以下の場合は触媒のみで触媒層７を形成し、体
積抵抗が1013Ω・cm以上の場合は金属製の担体に触媒を
付着せしめて触媒層７を形成する。更に触媒層７が使用
につれて劣化する場合は、交換可能としてもよい。Examples of the material for the catalyst that decomposes ozone include metal oxides such as titanium oxide, manganese oxide, cobalt oxide, and nickel oxide, those in which noble metals such as silver are supported, and mixtures of copper oxide and manganese oxide. Used, has a volume resistance of 10 like titanium oxide or manganese oxide by itself.
When the volume resistivity is 13 Ω · cm or less, the catalyst layer 7 is formed only with the catalyst. When the volume resistance is 10 13 Ω · cm or more, the catalyst is adhered to a metal carrier to form the catalyst layer 7. Further, when the catalyst layer 7 deteriorates as it is used, it may be replaceable.
第２図は別実施例を示す図であり、この実施例にあっ
ては電極６とオゾン分解触媒層７との間にセラミック、
合成樹脂或いはガラス等からなる誘電体８を介在させて
いる。FIG. 2 is a view showing another embodiment. In this embodiment, a ceramic material is provided between the electrode 6 and the ozone decomposition catalyst layer 7.
A dielectric 8 made of synthetic resin or glass is interposed.
以上において、電極６とオゾン分解触媒層７間に高周
波を印加すると電極６とオゾン分解触媒層７間にコロナ
放電が生じ、このコロナ放電によってオゾンO3が発生
し、発生したオゾンO3は触媒７に接触することで酸素分
子O2と活性な酸素原子Ｏ＊に分解（O3→O2＋Ｏ＊）さ
れ、活性な酸素原子が空気中の臭成分と反応して脱臭す
る。In the above, when applying a high frequency between the electrodes 6 and ozone decomposition catalyst layer 7 corona discharge occurs between the electrodes 6 and ozone decomposition catalyst layer 7, ozone O 3 ozone O 3 is generated, generated by the corona discharge catalyst By contact with 7, the oxygen molecules are decomposed into O 2 and active oxygen atoms O * (O 3 → O 2 + O * ), and the active oxygen atoms react with odor components in the air to deodorize.
尚、実施例にあってはオゾン分解触媒層７の構造をハ
ニカム状としたが、これに限らず空気と触媒との接触面
積を大きくする構造、例えば格子状或いは多孔質構造と
してもよい。またオゾンの発生を効率よく行なうため、
ヒータを用いてもよい。このヒータとしては第２図の誘
電体基板内に発熱パターンとして形成するか、触媒層を
通電可能として発熱せしめるようにする。In the embodiment, the structure of the ozone decomposition catalyst layer 7 is formed in a honeycomb shape. However, the structure is not limited to this, and may be a structure in which the contact area between the air and the catalyst is increased, for example, a lattice shape or a porous structure. Also, in order to generate ozone efficiently,
A heater may be used. This heater is formed as a heat generation pattern in the dielectric substrate shown in FIG. 2 or the catalyst layer is energized to generate heat.
（効果） 以上に説明したように本発明によれば、オゾンを発生
するコロナ放電器の放電電極を、オゾン分解触媒層にて
構成し、このオゾン分解触媒層に臭成分を含む空気を接
触せしめるようにしたので、発生したオゾンを全て臭成
分との反応に使用することとなり脱臭効果が大巾に向上
する。(Effects) As described above, according to the present invention, the discharge electrode of the corona discharger that generates ozone is constituted by the ozone decomposition catalyst layer, and the air containing the odor component is brought into contact with the ozone decomposition catalyst layer. As a result, all the generated ozone is used for the reaction with the odor component, and the deodorizing effect is greatly improved.
また、オゾン発生部と脱臭部とが同一若しくは極めて
近接しているため、脱臭器自体のコンパクト化が図れ、
オゾンによる腐食も発生しにくい。In addition, since the ozone generating section and the deodorizing section are the same or extremely close to each other, the deodorizer itself can be made compact,
Corrosion due to ozone hardly occurs.
第１図は本発明に係る脱臭器を組込んだ脱臭装置の断面
図、第２図は別実施例を示す第１図と同様の図、第３図
は従来の脱臭器を示す図である。 尚、図面中２は脱臭器、４は空気の流通路、５は高周波
電源、６は電源、７はオゾン分解触媒層である。FIG. 1 is a sectional view of a deodorizer incorporating a deodorizer according to the present invention, FIG. 2 is a view similar to FIG. 1 showing another embodiment, and FIG. 3 is a view showing a conventional deodorizer. . In the drawings, 2 is a deodorizer, 4 is an air flow passage, 5 is a high frequency power supply, 6 is a power supply, and 7 is an ozone decomposition catalyst layer.
Claims (1)
電気的に導体又は半導体の性質を持つオゾン分解触媒層
を前記電極と分離して配置し、これら電極及びオゾン分
解触媒層を高周波電源に直接接続するとともに電極及び
オゾン分解触媒層を空気の流通が可能な構造としたこと
を特徴とする脱臭器。An electrode is disposed upstream of an air flow passage, and an ozone decomposition catalyst layer having electrically conductive or semiconductive properties is disposed separately from the electrode on the downstream side. A deodorizer characterized in that the electrode and the ozone decomposition catalyst layer are structured so that air can flow therethrough, while being directly connected to a high frequency power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2037559A JP2949755B2 (en) | 1990-02-19 | 1990-02-19 | Deodorizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2037559A JP2949755B2 (en) | 1990-02-19 | 1990-02-19 | Deodorizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03242148A JPH03242148A (en) | 1991-10-29 |
| JP2949755B2 true JP2949755B2 (en) | 1999-09-20 |
Family
ID=12500875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2037559A Expired - Fee Related JP2949755B2 (en) | 1990-02-19 | 1990-02-19 | Deodorizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2949755B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256250A (en) * | 2020-03-31 | 2020-06-09 | 长虹美菱股份有限公司 | Odor-removing sterilizing device and control method |
-
1990
- 1990-02-19 JP JP2037559A patent/JP2949755B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03242148A (en) | 1991-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150182654A1 (en) | Air purification system | |
| JP2009202137A (en) | Air treatment apparatus | |
| JP2003053129A (en) | Plasma type gas purifying apparatus and streamer discharge circuit | |
| JP2949755B2 (en) | Deodorizer | |
| US7706121B2 (en) | Ion generator | |
| JP2949756B2 (en) | Deodorizer and deodorization method | |
| JP2001179040A (en) | Gas decomposer | |
| JP2002346334A (en) | Gas cleaning apparatus by plasma | |
| KR100641105B1 (en) | Integrated negative ion generator and fabrication and method producing it? integrated negative and positive ion generator and fabrication, method producing it and method using it | |
| KR100556757B1 (en) | Ion generator using carbon nano tip and menufacturing method thereof | |
| JPH11319489A (en) | Catalyst structural body and deodorizing device having catalyst structural body | |
| JPH07309605A (en) | Ozonizer | |
| JP2006263442A (en) | Deodorizing apparatus | |
| JP2003327416A (en) | Discharge body for generating ozone | |
| JPH0435723A (en) | Sterilizing deodoration unit | |
| JP3745322B2 (en) | Gas processing apparatus and method | |
| JPH09139277A (en) | Air ion generating device | |
| JP2001190652A (en) | Deodorizing device | |
| JPH05154348A (en) | Deodorizing device | |
| JPS6174639A (en) | Ionic wind generator | |
| JP2782650B2 (en) | Electric heating catalyst device | |
| JP3745321B2 (en) | Gas processing apparatus and method | |
| JPS5515909A (en) | Ozonizer | |
| JP3384665B2 (en) | How to generate corona discharge | |
| JP2006187711A (en) | Discharge device and air cleaning apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |