JPH0441902U - - Google Patents
Info
- Publication number
- JPH0441902U JPH0441902U JP7817790U JP7817790U JPH0441902U JP H0441902 U JPH0441902 U JP H0441902U JP 7817790 U JP7817790 U JP 7817790U JP 7817790 U JP7817790 U JP 7817790U JP H0441902 U JPH0441902 U JP H0441902U
- Authority
- JP
- Japan
- Prior art keywords
- boiler
- duct
- control valve
- exhaust gas
- air supply
- 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
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図は本考案の一実施例の系統図、第２図は
従来例の系統図である。
１……煙突、２……ボイラ、４……排ガス循環
量制御ダンバー、４ａ……第２制御弁、５……押
込フアン、６……空気量制御ベーン、６ａ……第
１制御弁、７……空気量計測装置、８……排ガス
循環量計測装置、９……ダクト。
FIG. 1 is a system diagram of an embodiment of the present invention, and FIG. 2 is a system diagram of a conventional example. DESCRIPTION OF SYMBOLS 1... Chimney, 2... Boiler, 4... Exhaust gas circulation amount control damper, 4a... Second control valve, 5... Pushing fan, 6... Air amount control vane, 6a... First control valve, 7 ...Air amount measuring device, 8...Exhaust gas circulation amount measuring device, 9...Duct.
Claims (1)
流側から順次設けられる第１制御弁および押込フ
アンと、上記ボイラの排ガスダクトに入口がつな
がれ出口が上記燃焼空気供給ダクトの上記第１制
御弁の後流側でかつ上記押込フアンの上流側につ
ながれる再循環ダクトと、同再循環ダクトに設け
られる第２制御弁とを備えてなることを特徴とす
るボイラの排ガス再循環装置。 a boiler, a first control valve and a forced fan that are sequentially provided from the upstream side in a combustion air supply duct of the boiler, an inlet connected to an exhaust gas duct of the boiler, and an outlet located after the first control valve of the combustion air supply duct; An exhaust gas recirculation device for a boiler, comprising: a recirculation duct connected to the upstream side of the forcing fan; and a second control valve provided in the recirculation duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7817790U JPH0441902U (en) | 1990-07-25 | 1990-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7817790U JPH0441902U (en) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0441902U true JPH0441902U (en) | 1992-04-09 |
Family
ID=31621219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7817790U Pending JPH0441902U (en) | 1990-07-25 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441902U (en) |
-
1990
- 1990-07-25 JP JP7817790U patent/JPH0441902U/ja active Pending