JPS5449629A - Radiant tube of combustion device - Google Patents

Radiant tube of combustion device

Info

Publication number
JPS5449629A
JPS5449629A JP11645777A JP11645777A JPS5449629A JP S5449629 A JPS5449629 A JP S5449629A JP 11645777 A JP11645777 A JP 11645777A JP 11645777 A JP11645777 A JP 11645777A JP S5449629 A JPS5449629 A JP S5449629A
Authority
JP
Japan
Prior art keywords
radiant tube
nozzle
combustion cylinder
mixture
nitrogen oxides
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
JP11645777A
Other languages
Japanese (ja)
Inventor
Michitoshi Okumura
Kenjiro Sato
Yoshiyuki Hayakawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP11645777A priority Critical patent/JPS5449629A/en
Publication of JPS5449629A publication Critical patent/JPS5449629A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
    • F23C3/002—Combustion apparatus characterised by the shape of the combustion chamber the chamber having an elongated tubular form, e.g. for a radiant tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/006—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber the recirculation taking place in the combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

PURPOSE:To curb generation of nitrogen oxides, by fitting a stabilizing combustion cylinder and recirculation passage in a radiant tube near the tip of a burner nozzle. CONSTITUTION:The mixture of fuel and air is injected from a nozzle 2 and ignited and burnt in a stabilizing combustion cylinder 7, while the combustion exhaust flows out to a radiant tube 3. But part of the exhaust is recirculated to the base of the stabilizing combustion cylinder 7 due to the kinetic energy caused by the injection of the nozzle 2, being guided by a guide plate 9 through a recirculation passage 8 to the direction of arrow A, and then joins the mixture. This can reduce generation of nitrogen oxides.
JP11645777A 1977-09-28 1977-09-28 Radiant tube of combustion device Pending JPS5449629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11645777A JPS5449629A (en) 1977-09-28 1977-09-28 Radiant tube of combustion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11645777A JPS5449629A (en) 1977-09-28 1977-09-28 Radiant tube of combustion device

Publications (1)

Publication Number Publication Date
JPS5449629A true JPS5449629A (en) 1979-04-19

Family

ID=14687582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11645777A Pending JPS5449629A (en) 1977-09-28 1977-09-28 Radiant tube of combustion device

Country Status (1)

Country Link
JP (1) JPS5449629A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06115481A (en) * 1993-01-25 1994-04-26 Mori San Tsuaa:Kk Multi-stage sprocket device for bicycle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06115481A (en) * 1993-01-25 1994-04-26 Mori San Tsuaa:Kk Multi-stage sprocket device for bicycle

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