JPH0167461U - - Google Patents
Info
- Publication number
- JPH0167461U JPH0167461U JP1987162583U JP16258387U JPH0167461U JP H0167461 U JPH0167461 U JP H0167461U JP 1987162583 U JP1987162583 U JP 1987162583U JP 16258387 U JP16258387 U JP 16258387U JP H0167461 U JPH0167461 U JP H0167461U
- Authority
- JP
- Japan
- Prior art keywords
- conduit
- flame detector
- light receiving
- flow path
- section
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 1
Landscapes
- Control Of Combustion (AREA)
Description
第１図は本考案に係る火炎検出器の構成を示す
説明図、第２図は第１図の導管とノズルの要部拡
大断面図、第３図は本考案の火炎検出器と従来の
火炎検出器の使用時間に対する受光量の変化を比
率で示す特性図、第４図は従来の火炎検出器の構
成を示す説明図である。
１……火炎、２……バーナガン、３……炉壁、
４……風箱、５……光フアイバ、６……信号線光
フアイバ、７……リールユニツト、８……導管、
９……ボイラ火炉、１０……空気口、１１……導
入口、１２……燃料、１３……受光部、１００…
…ノズル、１０１……ノド部、１０２……テーパ
部、１０３……開口部。
Fig. 1 is an explanatory diagram showing the configuration of the flame detector according to the present invention, Fig. 2 is an enlarged sectional view of main parts of the conduit and nozzle in Fig. 1, and Fig. 3 is an explanatory diagram showing the configuration of the flame detector according to the present invention and the conventional flame detector. FIG. 4 is an explanatory diagram showing the structure of a conventional flame detector. 1...flame, 2...burner gun, 3...furnace wall,
4... Wind box, 5... Optical fiber, 6... Signal line optical fiber, 7... Reel unit, 8... Conduit,
9... Boiler furnace, 10... Air port, 11... Inlet, 12... Fuel, 13... Light receiving section, 100...
... Nozzle, 101 ... Throat section, 102 ... Taper section, 103 ... Opening section.
Claims (1)
前記導管内に冷却空気流を形成する流路とを備え
、燃焼炉内の火炎形成の有無を検出する火炎検出
器において、前記受光部直近の前記流路断面が収
縮するノド部と、前記ノド部から末広がりに断面
が拡大するテーパ部とを有するノズルを、前記導
管の先端に設けていることを特徴とする火炎検出
器。 a terminal light receiving part of an optical fiber housed in the conduit;
A flame detector comprising a flow path for forming a cooling air flow in the conduit and detecting the presence or absence of flame formation in a combustion furnace, the flame detector comprising: a throat portion in which a cross section of the flow path in the vicinity of the light receiving portion contracts; A flame detector characterized in that a nozzle having a tapered part whose cross section expands from the end to the end is provided at the tip of the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162583U JPH0539303Y2 (en) | 1987-10-26 | 1987-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162583U JPH0539303Y2 (en) | 1987-10-26 | 1987-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0167461U true JPH0167461U (en) | 1989-04-28 |
| JPH0539303Y2 JPH0539303Y2 (en) | 1993-10-05 |
Family
ID=31446539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162583U Expired - Lifetime JPH0539303Y2 (en) | 1987-10-26 | 1987-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0539303Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831870A (en) * | 1971-08-27 | 1973-04-26 | ||
| JPS5522366U (en) * | 1978-07-31 | 1980-02-13 |
-
1987
- 1987-10-26 JP JP1987162583U patent/JPH0539303Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831870A (en) * | 1971-08-27 | 1973-04-26 | ||
| JPS5522366U (en) * | 1978-07-31 | 1980-02-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0539303Y2 (en) | 1993-10-05 |
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