JPH0457010U - - Google Patents

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Publication number
JPH0457010U
JPH0457010U JP9355390U JP9355390U JPH0457010U JP H0457010 U JPH0457010 U JP H0457010U JP 9355390 U JP9355390 U JP 9355390U JP 9355390 U JP9355390 U JP 9355390U JP H0457010 U JPH0457010 U JP H0457010U
Authority
JP
Japan
Prior art keywords
furnace
stage combustion
gas
burner
boiler
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
JP9355390U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP9355390U priority Critical patent/JPH0457010U/ja
Publication of JPH0457010U publication Critical patent/JPH0457010U/ja
Pending legal-status Critical Current

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  • Combustion Of Fluid Fuel (AREA)

Description

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

第1図は本考案の一実施例を示すボイラ火炉の
概略縦断面図、第2図は第1図の−断面にお
ける各種ガスの分布を示す図である。第3図は旋
回流方式の従来のボイラ火炉の一例を示す概略縦
断面図、第4図は第3図の−矢視水平断面図
、第5図は第3図の−断面におけるガス分布
を示す図である。 1……ボイラ火炉壁、2,2a,2b……バー
ナ部、3,6,7……2段燃焼用空気ノズル、4
……GRガスノズル、5……旋回流。
FIG. 1 is a schematic longitudinal sectional view of a boiler furnace showing an embodiment of the present invention, and FIG. 2 is a diagram showing the distribution of various gases in the - cross section of FIG. 1. Fig. 3 is a schematic vertical cross-sectional view showing an example of a conventional boiler furnace of the swirl flow type, Fig. 4 is a horizontal cross-sectional view taken in the - arrow direction of Fig. 3, and Fig. 5 shows the gas distribution in the - arrow cross section of Fig. 3. FIG. 1... Boiler furnace wall, 2, 2a, 2b... Burner section, 3, 6, 7... Two-stage combustion air nozzle, 4
...GR gas nozzle, 5... swirl flow.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 火炉内のガスが旋回して流れる形式のボイラに
おいて、2段燃焼用空気の投入口を火炉底、バー
ナ中間部および火炉上部の3個所に設けたことを
特徴とするボイラの2段燃焼装置。
A two-stage combustion device for a boiler in which gas in the furnace flows in a swirling manner, characterized in that two-stage combustion air input ports are provided at three locations: a bottom of the furnace, a middle part of the burner, and an upper part of the furnace.
JP9355390U 1990-09-07 1990-09-07 Pending JPH0457010U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9355390U JPH0457010U (en) 1990-09-07 1990-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9355390U JPH0457010U (en) 1990-09-07 1990-09-07

Publications (1)

Publication Number Publication Date
JPH0457010U true JPH0457010U (en) 1992-05-15

Family

ID=31830861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9355390U Pending JPH0457010U (en) 1990-09-07 1990-09-07

Country Status (1)

Country Link
JP (1) JPH0457010U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09126412A (en) * 1995-10-30 1997-05-16 Kawasaki Heavy Ind Ltd Low nox boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09126412A (en) * 1995-10-30 1997-05-16 Kawasaki Heavy Ind Ltd Low nox boiler

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