JPH02157107A - Electric discharger for ozonizer - Google Patents
Electric discharger for ozonizerInfo
- Publication number
- JPH02157107A JPH02157107A JP30877588A JP30877588A JPH02157107A JP H02157107 A JPH02157107 A JP H02157107A JP 30877588 A JP30877588 A JP 30877588A JP 30877588 A JP30877588 A JP 30877588A JP H02157107 A JPH02157107 A JP H02157107A
- Authority
- JP
- Japan
- Prior art keywords
- discharge
- ozonizer
- electrode
- ceramic coating
- dielectric
- 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
- 239000011521 glass Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000005524 ceramic coating Methods 0.000 claims abstract description 8
- 239000010409 thin film Substances 0.000 claims abstract description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 15
- 210000003298 dental enamel Anatomy 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000010408 film Substances 0.000 abstract description 3
- 238000004534 enameling Methods 0.000 abstract description 2
- 238000006385 ozonation reaction Methods 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、放電法によるオゾン発生器に用いられる放
電体の改良に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] This invention relates to an improvement in a discharge body used in an ozone generator using a discharge method.
（従来の技術とその課題）
一般に、無声放電によるオゾン発生器の基本構造は、高
圧電極と接地電極を空気通路て対面配置し、これらの画
電極の間に固体絶縁性の誘電体を介設して構成されてお
り、この誘電体には、比誘電率の優れたセラミックスや
ガラスを円筒状或は板状としたものか一般に用いられて
いる。(Prior art and its problems) In general, the basic structure of an ozone generator using silent discharge is that a high voltage electrode and a ground electrode are arranged facing each other with an air passage, and a solid insulating dielectric material is interposed between these picture electrodes. This dielectric material is generally made of ceramic or glass having an excellent relative permittivity in the form of a cylinder or a plate.
そして、丑記誘電体によって両電極間における放電電流
の増大を制限して放電音を低減すると共に、この放電音
の拡大に伴いオソン生成効率を増大させるように構成さ
れている。The dielectric material is configured to limit the increase in discharge current between the two electrodes to reduce discharge sound, and to increase the oson generation efficiency as the discharge sound expands.
このことから、電極を含む放電体には誘電体の存在か必
要不可欠てあり、この誘電体の特性、組成、生成等がオ
ゾン発生器の性能、形状等に大きく影響を及ぼすか、従
来のセラミックスやガラスを用いた誘電体にあっては、
コスト高であるばかりてなく、耐久性もかならずしも充
分であるとはいえない、という問題を有していた。From this, the presence of a dielectric is essential in the discharge body including the electrodes, and it is unclear whether the characteristics, composition, formation, etc. of this dielectric have a significant effect on the performance, shape, etc. of the ozone generator. For dielectric materials using glass or
Not only is the cost high, but the durability is not always sufficient.
本発明者は、このようなセラミックスやカラスを用いた
従来の誘電体か有する問題を解決すべく精意研究した結
果、誘電体をほうろう、特に、クラスライ、ニンク等の
焼付法によるセラミックス被膜て形成することて、上記
従来の問題点を一掃できるばかりでなく、放電効率も従
来のものより高めることかてきることを発見した。As a result of careful research in order to solve the problems of conventional dielectric materials using ceramics and glass, the inventor of the present invention discovered that the dielectric material is made of enamel, in particular, a ceramic coating formed by a baking method such as Krasly or Nink. It has been discovered that by doing so, not only can the above-mentioned conventional problems be eliminated, but also the discharge efficiency can be increased compared to the conventional method.
この発明は、かかる知見に基き創案されたものてあって
、その目的とす名ところは、誘電体をほうろう、特に、
グラスライニング等の焼付法によるセラミックス被膜て
形成することでより安価て耐久性に優れ、しかも、オゾ
ン発生効率も良好なオゾン発生器用放電体を提供しよう
とするものである。This invention was devised based on such knowledge, and its purpose and merit is to enameling dielectric materials, in particular,
The present invention aims to provide a discharge body for an ozone generator that is less expensive, has excellent durability, and has good ozone generation efficiency by forming a ceramic coating using a baking method such as a glass lining.
上記目的を達成するため、この発明に係るオゾン発生器
用放電体にあっては 高圧及び接地電極の少なくとも一
方の放電面に、所定の薄膜誘電体を所定の薄さて一体的
にコーティングすし、該誘電体を、はうろう、特に、グ
ラスライニング等の焼付法によるセラミックス被膜°Ｃ
構成したことを特徴とするものである。In order to achieve the above object, in the discharge body for an ozone generator according to the present invention, a predetermined thin film dielectric is integrally coated on the discharge surface of at least one of the high voltage and ground electrodes at a predetermined thickness, and the dielectric Ceramic coating by baking method such as glass lining etc.
It is characterized by the following structure.
この発明において、ｊ＝記薄膜誘゛Ｉに体をコーティン
グする手段としては、はうろうの場合、下地金属上に、
所定の前処理を施した後、うわくすりを塗布し、５００
〜１０００℃の高温て処理して焼き付ける公知の焼付法
を用いることができる。In the present invention, the means for coating the body on the thin film dielectric I, where j= is, in the case of coating, on the base metal,
After performing the prescribed pre-treatment, apply a glaze and apply 500
A known baking method of treating and baking at a high temperature of ~1000° C. can be used.
この発明において用いられるＴ’に金属としては、鋼、
鋳鉄、銅、銅合金、アルミニウム、アルミニウム合金等
を用いることかでき、またうわぐすりの組成は、下地金
属の組成及び目的とするほうろう被膜の性質に対応させ
た公知のものの中から適宜選択される。Examples of metals for T' used in this invention include steel,
Cast iron, copper, copper alloys, aluminum, aluminum alloys, etc. can be used, and the composition of the glaze is appropriately selected from known ones that correspond to the composition of the base metal and the properties of the intended enamel coating. Ru.
この発明において用いられる「はうろう」としては、基
本的には、」−記したよ−）に、公知の組成からなるも
のの全て用いることかてきるか、特に、化学的抵抗性に
強いゲラスラーｒニンクを用いることかてき、この場合
、高圧′電極や接地電極などに用いられる金属との関係
て、うわぐずりは、金属の耐熱温度以ドて融着させるた
め、融点か低く、膨張係数が金属に近いものが用いられ
る。As for the "Hawrou" used in this invention, basically, it is possible to use any of the known compositions (as described in "-"). In this case, in relation to the metal used for the high-voltage electrode and the ground electrode, the glaze is fused at a temperature higher than the heat-resistant temperature of the metal, so the melting point is low and the coefficient of expansion is low for the metal. The one closest to that is used.
本発明者は、棒状に形成された金属製の高圧電極と、板
状に形成された金属製の接地電極の両方の表面に、グラ
スライニング組成からなる薄膜誘電体をコーティングし
て放電体を形成した。The present inventor formed a discharge body by coating the surfaces of both a metal high-voltage electrode formed into a bar shape and a metal ground electrode formed into a plate shape with a thin film dielectric material having a glass lining composition. did.
このグラスライニングは、５ｉｎ２５３．４．Ａ１２０
３２、：ｌ、Ｂ２０３６．２．Ｎａ２０１１．４．に２
０ Ｔ］、５．ＭｇＯ１，２，ＣａＯ２，０，Ｂａ０１
．０．ＴｌＯ２５，０，Ｃｏｏ ３．４．Ｍｎ０１．５
（％）から組成されている。This glass lining is 5in253.4. A120
32, :l, B2036.2. Na2011.4. to 2
0 T], 5. MgO1,2, CaO2,0, Ba01
．． 0. TlO25,0,Coo 3.4. Mn01.5
(%).
このように構成された本発明による放電体と、従来のア
ルミナセラミックス組成の放電体とを用いて沿面放電し
た結果、次のような結果か得られた。As a result of creeping discharge using the discharge body according to the present invention configured as described above and a discharge body having a conventional alumina ceramic composition, the following results were obtained.
（実験結果）
従来のアルミナセラミックス製の円筒、例えば、直径Ｌ
Ｏｍｍ、長さ１００ ｍ＋ｗ、厚さＯ１６１００円筒の
外周面に密着するように金属電極を設置し、また、その
内周面に密着させてワイヤ一対向電極を設置してなるオ
ゾン発生器用放電体に、−・例として、７ ｋＨｚ、
８ ＫＶの高周波電圧を印加し、室温の酸素を４文／ｌ
１ｉｎの濃酸て供給した結果、約１５００ ｐｐｍの濃
度てオゾンか発生した。(Experimental results) Conventional alumina ceramic cylinder, for example, diameter L
Omm, length 100 m + w, thickness O 16100 A discharge body for an ozone generator is made by installing a metal electrode in close contact with the outer peripheral surface of a cylinder, and also installing a wire opposing electrode in close contact with the inner peripheral surface of the cylinder. ,--For example, 7 kHz,
A high frequency voltage of 8 KV was applied, and oxygen at room temperature was 4 g/l.
As a result of supplying 1 inch of concentrated acid, ozone was generated at a concentration of approximately 1500 ppm.
これに対し、本発明に係るオゾン発生器用放電体を、上
記従来のアルミナセラミックス製の円筒と同形状からな
る鋼製円筒体て形成し、この円筒体全面に０．３■璽の
厚さのほうろう被膜を形成し、該円筒体を′電極とし、
内面に対向電極を設置し、上記従来と同様の条件、即ち
、７ ｋｌｌｚ 、 ８ ＫＶの高周波電圧を印加し、
室温の酸素を４見／ｗｉｎの流量て供給した結果、約２
０００ ｐｐｍの濃度てオゾンが発生した。In contrast, the discharge body for an ozone generator according to the present invention is formed as a steel cylinder having the same shape as the conventional cylinder made of alumina ceramics, and a thickness of 0.3 cm is formed on the entire surface of the cylinder. forming an enamel film and using the cylindrical body as an electrode;
A counter electrode was installed on the inner surface, and a high frequency voltage of 7 kllz and 8 KV was applied under the same conditions as the above conventional method,
As a result of supplying room temperature oxygen at a flow rate of 4 times/win, approximately 2
Ozone was generated at a concentration of 1,000 ppm.
以上のデータからも明らかなように、この発明に係る放
電体は、従来の放電体と比較しても、オゾン発生量か約
３０％向上することか明らかとなった。As is clear from the above data, it has become clear that the discharge body according to the present invention increases the amount of ozone generated by about 30% compared to the conventional discharge body.
また、耐久性も同等条件下て行なった耐久性試験の結果
、この発明に係る放電体は、従来の放電体と比較しても
、同等或は同等以上であることか確認された。Furthermore, as a result of a durability test conducted under the same conditions, it was confirmed that the discharge body according to the present invention is equivalent to or better than conventional discharge bodies.
さらに、この発明に係る放電体にあっては、「はうろう
」という大敏生産に適した技法で生成てきるため、従来
の放電体と比較して、大幅なコストタウンを達成するこ
とかてきる。Furthermore, since the discharge body according to the present invention is produced using a technique called "Hawrou" that is suitable for large-scale production, it is possible to achieve a significant cost reduction compared to conventional discharge bodies. I'll come.
尚、この発明にあっては、はうろうを電極の一方にのみ
形成してもよく、また、全面のみならず放′屯面たけに
形成しても同様の効果か得られること勿論である。In the present invention, it is possible to form the hollow on only one side of the electrode, and it goes without saying that the same effect can be obtained even when the hollow is formed not only on the entire surface but only on the radial surface. .
この発１１に係るオラン発生器用放電体は、以上説明し
たように、電極側に薄く一体的に設けられる薄膜誘電体
か、はうろう或はグラスライニングて組成されているた
め、従来のセラミックスや一般的なガラスを使用したも
のに比べ、はるかに安価で、しかも、同等或はそれ以上
の耐久性を得ることかできると共に、放熱効率の向りに
よってオゾン発生効率か向丘する等、幾多の優れた効果
を奏する。As explained above, the discharge body for an oran generator according to the present invention is composed of a thin film dielectric provided thinly and integrally on the electrode side, or a wafer or glass lining, so it cannot be used with conventional ceramics or glass lining. It is much cheaper than those using general glass, and it has the same or higher durability. It also has many advantages such as the ozone generation efficiency changes depending on the direction of heat dissipation efficiency. It has a great effect.
Claims (3)
薄膜誘電体を所定の薄さで一体的にコーティングし、該
薄膜誘電体は、焼付法によるセラミックス被膜で形成さ
れていることを特徴とするオゾン発生器用放電体。(1) On the discharge surface of at least one of the high voltage and ground electrodes,
1. A discharge body for an ozone generator, characterized in that a thin film dielectric is integrally coated with a predetermined thickness, and the thin film dielectric is formed of a ceramic coating by a baking method.
であることを特徴とするオゾン発生器用放電体。(2) A discharge body for an ozone generator, wherein the ceramic coating formed by the baking method is enamel.
イニングであることを特徴とするオゾン発生器用放電体
。(3) A discharge body for an ozone generator, wherein the ceramic coating formed by the baking method is a glass lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30877588A JPH02157107A (en) | 1988-12-08 | 1988-12-08 | Electric discharger for ozonizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30877588A JPH02157107A (en) | 1988-12-08 | 1988-12-08 | Electric discharger for ozonizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02157107A true JPH02157107A (en) | 1990-06-15 |
Family
ID=17985154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30877588A Pending JPH02157107A (en) | 1988-12-08 | 1988-12-08 | Electric discharger for ozonizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02157107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02271903A (en) * | 1989-04-11 | 1990-11-06 | Shizuoka Prefecture | Ozonizer |
-
1988
- 1988-12-08 JP JP30877588A patent/JPH02157107A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02271903A (en) * | 1989-04-11 | 1990-11-06 | Shizuoka Prefecture | Ozonizer |
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