JP3227278B2 - UV light reaction vessel - Google Patents
UV light reaction vesselInfo
- Publication number
- JP3227278B2 JP3227278B2 JP20272793A JP20272793A JP3227278B2 JP 3227278 B2 JP3227278 B2 JP 3227278B2 JP 20272793 A JP20272793 A JP 20272793A JP 20272793 A JP20272793 A JP 20272793A JP 3227278 B2 JP3227278 B2 JP 3227278B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- outer tube
- reaction
- ultraviolet
- ultraviolet light
- 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
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は紫外光反応容器に関
し、更に詳しくは、ＴＯＣ（Ｔotal OrganicCarbon ）
分析計やＮＯ2 検出用のＴＮ（Ｔotal Nitrogen ）分析
計、あるいは、ＰＯ4 3- 検出用のＴＰ（Ｔotal Phospha
te）分析計、さらには、オゾン発生器に使用可能な反応
管内蔵型の新規な紫外光反応容器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultraviolet light reaction vessel, and more specifically, TOC (Total Organic Carbon).
Analyzer, TN (Total Nitrogen) analyzer for NO 2 detection, or TP (Total Phospha) for PO 4 3- detection
te) The present invention relates to a new ultraviolet light reaction vessel having a built-in reaction tube which can be used for an analyzer and an ozone generator.
【０００２】[0002]
【従来の技術】従来例えば、試料水を反応槽に供給し
て、その導電率を検出した後、紫外線ランプで試料水に
紫外線を照射して、試料水に含まれている有機炭素化合
物を酸化分解し、このときに発生するＣＯ2 によって生
成されるＣＯ3 2-による、試料水の導電率の変化を検出
するＴＯＣ分析計においては、図２に示すように、仕切
窓１を介して紫外線ランプ２からの紫外光を反応槽３中
の試料水Ｓに照射するものが提案されている。なお、反
応後のドレンはバルブ４を介して排出口５から排出され
る。符号６，７，８および９はそれぞれ、ランプ電源、
電導度／温度センサー、電導度／温度測定用回路および
制御回路である。2. Description of the Related Art Conventionally, for example, a sample water is supplied to a reaction tank, and after detecting the conductivity, the sample water is irradiated with ultraviolet rays by an ultraviolet lamp to oxidize an organic carbon compound contained in the sample water. In a TOC analyzer which detects a change in the conductivity of sample water due to decomposition and CO 3 2- generated by CO 2 generated at this time, as shown in FIG. A method has been proposed in which the sample water S in the reaction tank 3 is irradiated with ultraviolet light from the lamp 2. The drain after the reaction is discharged from the discharge port 5 via the valve 4. Symbols 6, 7, 8 and 9 are lamp power supplies, respectively.
A conductivity / temperature sensor, a conductivity / temperature measurement circuit, and a control circuit.
【０００３】[0003]
【発明が解決しようとする課題】しかし、このＴＯＣ分
析計で使用している紫外線ランプ２は、仕切窓１によっ
て反応槽３とは仕切られ、紫外線ランプ２と反応槽３が
別個に構成されているから、紫外線ランプ２をＮ2 ガス
雰囲気Ａ中に置いて維持したり、仕切窓１をＮ2ガスや
試料水Ｓが洩れないように固定したりする構造が簡単な
もので無い。However, the ultraviolet lamp 2 used in this TOC analyzer is separated from the reaction tank 3 by a partition window 1, and the ultraviolet lamp 2 and the reaction tank 3 are separately formed. Therefore, the structure for keeping the ultraviolet lamp 2 in the N 2 gas atmosphere A and fixing the partition window 1 so that the N 2 gas and the sample water S do not leak is not simple.
【０００４】ＴＰ分析計、あるいは、ＴＮ分析計につい
ても同様のことが指摘される。The same is pointed out for a TP analyzer or a TN analyzer.
【０００５】この発明は、上記問題に鑑みてなしたもの
で、その目的は、コンパクトな構造で、かつ、発光効率
を向上できる紫外光反応容器を提供することにある。The present invention has been made in view of the above problems, and has as its object to provide an ultraviolet light reaction vessel having a compact structure and capable of improving luminous efficiency.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、この発明の紫外光反応容器は、外装管と、該外装管
の管壁を被覆する被覆膜と、外装管内部に封入された低
圧水銀と、この低圧水銀雰囲気下の前記外装管内部に配
設され、流路を形成する反応管とからなるものである。In order to achieve the above object, an ultraviolet light reaction vessel according to the present invention comprises an outer tube, a coating film for covering the tube wall of the outer tube, and a sealed tube inside the outer tube. Low-pressure mercury, and a reaction tube disposed inside the outer tube under the low-pressure mercury atmosphere and forming a flow path.
【０００７】[0007]
【作用】紫外線光源が流路を形成する反応管を内蔵して
いることから、従来、紫外線ランプと反応槽が別個に構
成されており、紫外線ランプをＮ2 ガス雰囲気中に置い
て維持したり、仕切窓をＮ2 ガスや試料水が洩れないよ
うに固定したりする構造が複雑であったものを、紫外線
ランプと反応槽の２つを兼ね備えたコンパクトな構造の
紫外光反応容器を得ることができる。また、紫外線光源
内に流路が形成されていることから、該流路を適宜な形
状、流路径、紫外線照射長に設定できるものであり、し
かも、例えばサンプル流を反応に必要な時間内に存在す
るように停止制御できたり、流速を制御できる。また、
被覆膜による外装管の管壁のミラー化で、有害紫外線を
外装管から外に洩れるのを未然に防止でき、しかも、紫
外線の反射を利用できるので、前記流路径、紫外線照射
長との兼ね合いにより、外装管内部の紫外線密度の上昇
を抑制しながら良好な反応温度の調節を実現でき、発光
効率を向上できる。[Function] Since the ultraviolet light source has a built-in reaction tube forming a flow path, the ultraviolet lamp and the reaction tank are conventionally separately provided, and the ultraviolet lamp is maintained in an N 2 gas atmosphere. What is complicated is the structure of fixing the partition window so that N 2 gas and sample water do not leak, but to obtain an ultraviolet light reaction vessel with a compact structure that has both an ultraviolet lamp and a reaction tank Can be. In addition, since the flow path is formed in the ultraviolet light source, the flow path can be set to an appropriate shape, a flow path diameter, and an ultraviolet irradiation length. It can be controlled to stop as it exists, or the flow rate can be controlled. Also,
By mirroring the outer wall of the outer tube with a coating film, it is possible to prevent harmful ultraviolet rays from leaking out of the outer tube, and furthermore, because the reflection of ultraviolet light can be used, it is necessary to balance with the flow path diameter and the ultraviolet irradiation length. Thereby, favorable control of the reaction temperature can be realized while suppressing an increase in the ultraviolet density inside the outer tube, and the luminous efficiency can be improved.
【０００８】[0008]
【実施例】以下、この発明の実施例について説明する。
なお、それによってこの発明は限定を受けるものではな
い。図１において、例えばＴＯＣ分析計で使用可能な紫
外光反応容器Ｕは、外装管１１と、外装管１１の内壁
（外壁であってもよい）を被覆する被覆膜１２と、外装
管１１内部に封入された低圧水銀１３と、この低圧水銀
雰囲気下の外装管１１内部に配設され、サンプル流路Ｓ
を形成する反応管１４とから主としてなる。Embodiments of the present invention will be described below.
It should be noted that the present invention is not limited thereby. In FIG. 1, for example, an ultraviolet light reaction vessel U that can be used in a TOC analyzer includes an outer tube 11, a coating film 12 that covers an inner wall (or an outer wall) of the outer tube 11, and an inner portion of the outer tube 11. A low-pressure mercury 13 sealed in a tube and a sample flow path S
And a reaction tube 14 that forms
【０００９】更に、外装管１１が石英外装管であり、被
覆膜１２がアルミニウム薄膜であり、反応管１４が、石
英管外装管１１の長手方向に沿う螺旋状のサンプル流路
Ｓを形成する紫外線透過率の良好な合成石英反応管で構
成されている。Further, the outer tube 11 is a quartz outer tube, the coating film 12 is an aluminum thin film, and the reaction tube 14 forms a spiral sample flow path S along the longitudinal direction of the quartz tube outer tube 11. It is composed of a synthetic quartz reaction tube with good ultraviolet transmittance.
【００１０】また、石英外装管１１の各端面には、放電
により、石英外装管１１内部に封入された低圧水銀１３
をプラズマ状態にすることで所望の波長を有する紫外線
を発生させるための一対の電極部Ｇ，Ｇが設けられてい
る。本実施例の紫外光反応容器Ｕは、例えば１８５ｎｍ
の低い波長を出現させることができる紫外線光源であ
り、これにより、有機物分解に有利なラジカル反応を実
現できる。On each end face of the quartz outer tube 11, a low-pressure mercury 13 sealed inside the quartz outer tube 11 is discharged.
Is provided with a pair of electrode portions G, G for generating ultraviolet light having a desired wavelength by bringing the device into a plasma state. The ultraviolet light reaction vessel U of the present embodiment has, for example, 185 nm.
This is an ultraviolet light source capable of generating a low wavelength of light, thereby realizing a radical reaction advantageous for organic matter decomposition.
【００１１】この実施例のものは上記構成を有するか
ら、紫外線光源が螺旋状のサンプル流路Ｓを形成する合
成石英反応管１４を内蔵していることから、紫外光反応
容器Ｕとしては、紫外線ランプと反応槽が別個に構成さ
れている従来のものに比して、明らかにコンパクトな構
造のものを得ることができる。また、紫外線光源内にサ
ンプル流路Ｓが形成されていることから、サンプル流路
Ｓを適宜な形状、流路径、紫外線照射長に設定できるも
のであり、しかも、サンプル流を反応に必要な時間内に
存在するように停止制御できたり、サンプル流速を制御
できる。また、アルミニウム被覆膜１２による石英外装
管１１内壁のミラー化で、有害紫外線を石英外装管１１
内部から外に洩れるのを未然に防止でき、しかも、紫外
線の反射を利用できるので、螺旋状のサンプル流路Ｓの
流路径、紫外線照射長との兼ね合いにより、石英外装管
１１内部の紫外線密度の上昇を抑制しながら良好な反応
温度の調節を実現でき、発光効率を向上できる。Since this embodiment has the above structure, the ultraviolet light source incorporates a synthetic quartz reaction tube 14 forming a spiral sample flow path S. Compared to the conventional lamp and the reaction tank which are separately constructed, a structure having a clearly compact structure can be obtained. Further, since the sample flow path S is formed in the ultraviolet light source, the sample flow path S can be set to an appropriate shape, a flow path diameter, and an ultraviolet irradiation length. The stop control can be performed so as to exist in the sample, and the sample flow rate can be controlled. In addition, by mirroring the inner wall of the quartz outer tube 11 with the aluminum coating film 12, harmful ultraviolet rays are emitted from the quartz outer tube 11.
It is possible to prevent leakage from the inside to the outside, and furthermore, since the reflection of ultraviolet rays can be used, the ultraviolet density inside the quartz outer tube 11 can be reduced by taking into account the flow path diameter of the spiral sample flow path S and the ultraviolet irradiation length. Good control of the reaction temperature can be realized while suppressing increase, and luminous efficiency can be improved.
【００１２】なお、本実施例では、紫外光反応容器Ｕを
ＴＯＣ分析計に適用したものを示したが、この発明の紫
外光反応容器は、ＴＮ分析計やＴＰ分析計、あるいは、
オゾン発生器にも適用できる。In this embodiment, the ultraviolet light reaction vessel U is applied to a TOC analyzer. However, the ultraviolet light reaction vessel of the present invention is a TN analyzer, a TP analyzer, or a TP analyzer.
Also applicable to ozone generators.
【００１３】また、紫外酸化反応後、サンプル中に共存
しているオゾンの処理装置として、後段にオゾン分解ユ
ニットを接続することもできる。After the ultraviolet oxidation reaction, an ozone decomposing unit may be connected at a subsequent stage as a device for treating ozone coexisting in the sample.
【００１４】[0014]
【発明の効果】以上のようにこの発明では、紫外線光源
が流路を形成する反応管を内蔵していることから、従
来、紫外線ランプと反応槽が別個に構成されており、紫
外線ランプをＮ2 ガス雰囲気中に置いて維持したり、仕
切窓をＮ2 ガスや試料水が洩れないように固定したりす
る構造が複雑であったものを、紫外線ランプと反応槽の
２つを兼ね備えたコンパクトな構造の紫外光反応容器を
得ることができる。また、紫外線光源内に流路が形成さ
れていることから、該流路を適宜な形状、流路径、紫外
線照射長に設定できるものであり、しかも、流れを反応
に必要な時間内に存在するように停止制御できたり、流
速を制御できる。また、被覆膜による外装管の管壁のミ
ラー化で、有害紫外線を外装管から外に洩れるのを未然
に防止でき、しかも、紫外線の反射を利用できるので、
前記流路径、紫外線照射長との兼ね合いにより、外装管
内部の紫外線密度の上昇を抑制しながら良好な反応温度
の調節を実現でき、発光効率を向上できる。また、紫外
線ランプと反応槽の２つを兼ね備えた紫外光反応容器と
してはコスト的に廉価に構成できる効果がある。As described above, according to the present invention, since the ultraviolet light source has a built-in reaction tube forming a flow path, the ultraviolet lamp and the reaction tank are conventionally separately provided, and the ultraviolet lamp is A compact structure that has both a UV lamp and a reaction tank, which had a complicated structure in which it was kept in a 2- gas atmosphere and where the partition window was fixed so that N 2 gas and sample water did not leak. An ultraviolet light reaction vessel having a simple structure can be obtained. Further, since the flow path is formed in the ultraviolet light source, the flow path can be set to an appropriate shape, a flow path diameter, and an ultraviolet irradiation length, and the flow exists within the time required for the reaction. In this way, the stop can be controlled, and the flow rate can be controlled. Also, by mirroring the outer wall of the outer tube with the coating film, it is possible to prevent harmful ultraviolet rays from leaking out of the outer tube beforehand, and to use the reflection of ultraviolet rays,
A good control of the reaction temperature can be realized while suppressing an increase in the ultraviolet density inside the outer tube, and the luminous efficiency can be improved by taking into account the flow path diameter and the ultraviolet irradiation length. Further, there is an effect that an ultraviolet light reaction vessel having both an ultraviolet lamp and a reaction tank can be configured at a low cost in terms of cost.
【図１】この発明の一実施例を示す構成説明図である。FIG. 1 is a configuration explanatory view showing one embodiment of the present invention.
【図２】従来例における構成説明図である。FIG. 2 is an explanatory diagram of a configuration in a conventional example.
１１…石英外装管、１２…アルミニウム薄膜（被覆
膜）、１３…低圧水銀、１４…合成石英反応管、Ｕ…紫
外光反応容器、Ｓ…流路。11: quartz outer tube, 12: aluminum thin film (coating film), 13: low-pressure mercury, 14: synthetic quartz reaction tube, U: ultraviolet light reaction vessel, S: flow path.
Claims (2)
覆膜と、外装管内部に封入された低圧水銀と、この低圧
水銀雰囲気下の前記外装管内部に配設され、流路を形成
する反応管とからなる紫外光反応容器。1. An outer tube, a coating film for coating a tube wall of the outer tube, low-pressure mercury sealed inside the outer tube, and a flow tube disposed inside the outer tube in a low-pressure mercury atmosphere. An ultraviolet light reaction vessel comprising a reaction tube forming a passage.
ルミニウム薄膜であり、反応管が、前記石英外装管の長
手方向に沿う螺旋状の流路を形成する紫外線透過率の良
好な合成石英反応管である請求項１に記載の紫外光反応
容器。2. The sheath tube is a quartz sheath tube, the coating film is an aluminum thin film, and the reaction tube forms a spiral flow path along the longitudinal direction of the quartz sheath tube and has a good ultraviolet transmittance. The ultraviolet light reaction vessel according to claim 1, which is a synthetic quartz reaction tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20272793A JP3227278B2 (en) | 1993-07-24 | 1993-07-24 | UV light reaction vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20272793A JP3227278B2 (en) | 1993-07-24 | 1993-07-24 | UV light reaction vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0743330A JPH0743330A (en) | 1995-02-14 |
| JP3227278B2 true JP3227278B2 (en) | 2001-11-12 |
Family
ID=16462167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20272793A Expired - Fee Related JP3227278B2 (en) | 1993-07-24 | 1993-07-24 | UV light reaction vessel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3227278B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564837A (en) * | 2010-12-20 | 2012-07-11 | 北京吉天仪器有限公司 | Novel ultraviolet preprocessing device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2578927C (en) | 2007-02-19 | 2011-09-27 | Ray Arbesman | Precut adhesive body support articles and support system |
| CN114354550A (en) * | 2021-11-23 | 2022-04-15 | 中国恩菲工程技术有限公司 | Antimony online reduction detection device and method |
-
1993
- 1993-07-24 JP JP20272793A patent/JP3227278B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564837A (en) * | 2010-12-20 | 2012-07-11 | 北京吉天仪器有限公司 | Novel ultraviolet preprocessing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743330A (en) | 1995-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |