JPS59181912U - 2-stage fuel, 2-stage air supply low NOx burner - Google Patents

2-stage fuel, 2-stage air supply low NOx burner

Info

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
Application number
JP7598883U
Other languages
Japanese (ja)
Inventor
昭雄 植田
尾崎 雅則
Original Assignee
バブコツク日立株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by バブコツク日立株式会社 filed Critical バブコツク日立株式会社
Priority to JP7598883U priority Critical patent/JPS59181912U/en
Publication of JPS59181912U publication Critical patent/JPS59181912U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)1次空気供給孔の中に、1次燃料供給ノズル2が
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.
(2)2次空気供給ノズル8を、該ノズルより噴出する
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.
JP7598883U 1983-05-23 1983-05-23 2-stage fuel, 2-stage air supply low NOx burner Pending JPS59181912U (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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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