JPS59181912U - 2-stage fuel, 2-stage air supply low NOx burner - Google Patents
2-stage fuel, 2-stage air supply low NOx burnerInfo
- Publication number
- JPS59181912U JPS59181912U JP7598883U JP7598883U JPS59181912U JP S59181912 U JPS59181912 U JP S59181912U JP 7598883 U JP7598883 U JP 7598883U JP 7598883 U JP7598883 U JP 7598883U JP S59181912 U JPS59181912 U JP S59181912U
- Authority
- JP
- Japan
- Prior art keywords
- stage
- air supply
- fuel
- low nox
- burner
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、従来技術例のバーナ、第2図は本考案実施例
によるバーナの断面図、第3図は第2図の側面図、第4
図は、本考案実施例のNOx濃度比と従来例のNOx濃
、変化とを比較したグラフである。
1・・・インペラ、2・・・1次燃料供給ノズル、3・
・・2次燃料供給ノズル、4・・・エアレジスタ、5・
・・燃料分配管、6・・・燃料分配管、7・・・炉壁、
8・・・2次空気供給ノズル、10・・・1次燃焼域、
20・・・2次 。
燃焼域、30・・・3次燃焼域1.40・・・1次空気
旋回方向、50・・・2次空気噴出向。FIG. 1 is a burner according to a prior art example, FIG. 2 is a sectional view of a burner according to an embodiment of the present invention, FIG. 3 is a side view of FIG. 2, and FIG.
The figure is a graph comparing the NOx concentration ratio of the embodiment of the present invention with the NOx concentration and change of the conventional example. 1... Impeller, 2... Primary fuel supply nozzle, 3...
・・Secondary fuel supply nozzle, 4・Air register, 5・
...Fuel distribution pipe, 6...Fuel distribution pipe, 7...Furnace wall,
8... Secondary air supply nozzle, 10... Primary combustion area,
20...secondary. Combustion area, 30...Third combustion area 1.40...Primary air swirling direction, 50...Secondary air jetting direction.
Claims (2)
設けられた1次バーナの軸心まわりに、2次燃料供給ノ
ズル3が設けられ、更に2次燃料供給ノズル3の軸心ま
わりに噴出側が該バーナの円周方向に傾斜した数個の2
次空気供給ノズル8が、2次燃料供給ノズル3と交互に
配置されたことを特徴とする燃料2段、空気2段供給低
NOxバーナ。(1) A secondary fuel supply nozzle 3 is provided in the primary air supply hole around the axis of the primary burner in which the primary fuel supply nozzle 2 is provided, and the axis of the secondary fuel supply nozzle 3 is further provided. Around the center, there are several 2 pieces whose ejection side is inclined in the circumferential direction of the burner.
A two-stage fuel, two-stage air supply low NOx burner characterized in that secondary air supply nozzles 8 are arranged alternately with secondary fuel supply nozzles 3.
空気の方向を、1次空気の旋回方向に対向しないように
設置したことを特徴とする実用新案登録請求の範囲第1
項記載の燃料2段、空気2段供給低NOxバーナ。(2) Utility model registration claim 1, characterized in that the secondary air supply nozzle 8 is installed so that the direction of the air ejected from the nozzle is not opposed to the swirling direction of the primary air.
2-stage fuel, 2-stage air supply low NOx burner as described in section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7598883U JPS59181912U (en) | 1983-05-23 | 1983-05-23 | 2-stage fuel, 2-stage air supply low NOx burner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7598883U JPS59181912U (en) | 1983-05-23 | 1983-05-23 | 2-stage fuel, 2-stage air supply low NOx burner |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59181912U true JPS59181912U (en) | 1984-12-04 |
Family
ID=30206042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7598883U Pending JPS59181912U (en) | 1983-05-23 | 1983-05-23 | 2-stage fuel, 2-stage air supply low NOx burner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59181912U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645768A (en) * | 1979-09-25 | 1981-04-25 | Ashizawa Tetsukou Kk | Ball mill for crushing solid grain |
-
1983
- 1983-05-23 JP JP7598883U patent/JPS59181912U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645768A (en) * | 1979-09-25 | 1981-04-25 | Ashizawa Tetsukou Kk | Ball mill for crushing solid grain |
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