JPH043216U - - Google Patents
Info
- Publication number
- JPH043216U JPH043216U JP3811490U JP3811490U JPH043216U JP H043216 U JPH043216 U JP H043216U JP 3811490 U JP3811490 U JP 3811490U JP 3811490 U JP3811490 U JP 3811490U JP H043216 U JPH043216 U JP H043216U
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- furnace wall
- combustion chamber
- nox reduction
- air duct
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の第１実施例を示す縦断面図、
第２図は同じく横断面図である。第３図は上記実
施例における空気量バランスと炉壁温度を示す図
である。第４図は従来のＮＯｘ還元炉の一例を示
す縦断面図、第５図は同じく横断面図である。第
６図は上記従来例における空気量バランスと炉壁
温度を示す図である。
１……主燃焼室（水冷火炉）、２……水冷壁、
３……ＮＯｘ還元炉（予熱焼炉）、４……炉壁、
５……冷却空気管、６……バーナ、７……バーナ
風箱、８……押込フアン、９……主燃焼室空気ダ
クト、１０……バーナ燃焼空気ダクト、１１，１
２……ダンパ、１３……空気予熱器、２１……バ
イパス空気ダクト、２２……ブーストフアン、２
３……制御ダンパ、Ａ……空気、Ａ１……バーナ
燃焼用空気、Ａ２……主燃焼室空気。
FIG. 1 is a longitudinal sectional view showing a first embodiment of the present invention;
FIG. 2 is also a cross-sectional view. FIG. 3 is a diagram showing the air amount balance and furnace wall temperature in the above embodiment. FIG. 4 is a longitudinal cross-sectional view showing an example of a conventional NOx reduction furnace, and FIG. 5 is a cross-sectional view of the same. FIG. 6 is a diagram showing the air amount balance and furnace wall temperature in the conventional example. 1... Main combustion chamber (water-cooled furnace), 2... Water-cooled wall,
3... NOx reduction furnace (preheating furnace), 4... Furnace wall,
5... Cooling air pipe, 6... Burner, 7... Burner wind box, 8... Push-in fan, 9... Main combustion chamber air duct, 10... Burner combustion air duct, 11,1
2... Damper, 13... Air preheater, 21... Bypass air duct, 22... Boost fan, 2
3...Control damper, A...Air, A1 ...Burner combustion air, A2 ...Main combustion chamber air.
Claims (1)
具えるとともに、燃焼用空気により炉壁を冷却す
るようにしたＮＯｘ還元炉において、上記炉壁冷
却後の燃焼用空気の一部を上記主燃焼室に導くバ
イパス空気ダクトと、同バイパス空気ダクトに設
けられたブーストフアンおよび制御ダンパとを備
えたことを特徴とするＮＯｘ還元炉の炉壁温度制
御装置。 In a NOx reduction furnace that has a cylindrical shape with one end opening into the main combustion chamber and the other end equipped with a burner and cooling the furnace wall with combustion air, a part of the combustion air after cooling the furnace wall is used. A furnace wall temperature control device for a NOx reduction furnace, comprising a bypass air duct leading to the main combustion chamber, and a boost fan and a control damper provided in the bypass air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3811490U JPH0722572Y2 (en) | 1990-04-11 | 1990-04-11 | NOx recovery furnace wall temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3811490U JPH0722572Y2 (en) | 1990-04-11 | 1990-04-11 | NOx recovery furnace wall temperature control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH043216U true JPH043216U (en) | 1992-01-13 |
| JPH0722572Y2 JPH0722572Y2 (en) | 1995-05-24 |
Family
ID=31545834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3811490U Expired - Lifetime JPH0722572Y2 (en) | 1990-04-11 | 1990-04-11 | NOx recovery furnace wall temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722572Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665429U (en) * | 1993-02-17 | 1994-09-16 | 兼正株式会社 | Obi tightening |
-
1990
- 1990-04-11 JP JP3811490U patent/JPH0722572Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665429U (en) * | 1993-02-17 | 1994-09-16 | 兼正株式会社 | Obi tightening |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722572Y2 (en) | 1995-05-24 |
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