JPH0445955U - - Google Patents
Info
- Publication number
- JPH0445955U JPH0445955U JP8822590U JP8822590U JPH0445955U JP H0445955 U JPH0445955 U JP H0445955U JP 8822590 U JP8822590 U JP 8822590U JP 8822590 U JP8822590 U JP 8822590U JP H0445955 U JPH0445955 U JP H0445955U
- Authority
- JP
- Japan
- Prior art keywords
- gas concentration
- optical fiber
- light emitting
- light receiving
- gas
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
第１図のガス濃度検出素子の拡大図、第３図はガ
スの濃度検出素子のダクトに対する配置図、第４
図は本考案によるガス濃度の検出方法の原理図、
第５図は縦軸を光の強さ横軸を波長としてボイラ
の排ガスの発光スペクトルを表わした線図、第６
図は一般的なボイラの排ガスの流れ図である。
図中１３はガス濃度検出素子、１６は投光用耐
熱光フアイバー、１７は受光用耐熱光フアイバー
、１８はダクト、ａは投光端、ｂは受光端を示す
。
Fig. 1 is a configuration diagram of an embodiment of the present invention, Fig. 2 is an enlarged view of the gas concentration detection element shown in Fig. 1, Fig. 3 is a diagram showing the arrangement of the gas concentration detection element with respect to the duct, and Fig. 4 is a diagram showing the arrangement of the gas concentration detection element in the duct.
The figure shows the principle of the gas concentration detection method according to the present invention.
Figure 5 is a diagram showing the emission spectrum of boiler exhaust gas with the vertical axis as the light intensity and the horizontal axis as the wavelength.
The figure is a flowchart of exhaust gas from a typical boiler. In the figure, 13 is a gas concentration detection element, 16 is a heat-resistant optical fiber for light emission, 17 is a heat-resistant optical fiber for light reception, 18 is a duct, a is a light emission end, and b is a light reception end.
Claims (1)
配置された投光用光フアイバーと受光用光フアイ
バーとを支持するガス濃度検出素子を、ガスが通
過可能なダクトの内部に分散配置したことを特徴
とするガス濃度分布計測装置。 Gas concentration detection elements that support a light emitting optical fiber and a light receiving optical fiber whose light emitting end and light receiving end are arranged facing each other with a certain interval are disposed in a distributed manner inside a duct through which gas can pass. A gas concentration distribution measuring device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8822590U JPH0445955U (en) | 1990-08-23 | 1990-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8822590U JPH0445955U (en) | 1990-08-23 | 1990-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445955U true JPH0445955U (en) | 1992-04-20 |
Family
ID=31821277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8822590U Pending JPH0445955U (en) | 1990-08-23 | 1990-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445955U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014092381A (en) * | 2012-10-31 | 2014-05-19 | Mitsubishi Heavy Ind Ltd | Device for multi-point measuring gas component concentration in gas |
| JP2014102098A (en) * | 2012-11-16 | 2014-06-05 | Mitsubishi Heavy Ind Ltd | System and method for diagnosing catalyst in exhaust gas denitration device |
| JP2015127685A (en) * | 2013-12-27 | 2015-07-09 | 三菱重工業株式会社 | Gas component concentration distribution measurement device and exhaust gas denitrification system |
-
1990
- 1990-08-23 JP JP8822590U patent/JPH0445955U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014092381A (en) * | 2012-10-31 | 2014-05-19 | Mitsubishi Heavy Ind Ltd | Device for multi-point measuring gas component concentration in gas |
| JP2014102098A (en) * | 2012-11-16 | 2014-06-05 | Mitsubishi Heavy Ind Ltd | System and method for diagnosing catalyst in exhaust gas denitration device |
| JP2015127685A (en) * | 2013-12-27 | 2015-07-09 | 三菱重工業株式会社 | Gas component concentration distribution measurement device and exhaust gas denitrification system |
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