JPS6457004A - Low nox emitting burner - Google Patents

Low nox emitting burner

Info

Publication number
JPS6457004A
JPS6457004A JP21279087A JP21279087A JPS6457004A JP S6457004 A JPS6457004 A JP S6457004A JP 21279087 A JP21279087 A JP 21279087A JP 21279087 A JP21279087 A JP 21279087A JP S6457004 A JPS6457004 A JP S6457004A
Authority
JP
Japan
Prior art keywords
air
flame
nozzle
low
content
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
Application number
JP21279087A
Other languages
Japanese (ja)
Other versions
JPH0794881B2 (en
Inventor
Shigeru Azuhata
Kiyoshi Narato
Yoshinobu Kobayashi
Kenichi Soma
Toru Inada
Yasuo Iwai
Norio Arashi
Shigeki Morita
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.)
Hitachi Ltd
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
Hitachi 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 Babcock Hitachi KK, Hitachi Ltd filed Critical Babcock Hitachi KK
Priority to JP21279087A priority Critical patent/JPH0794881B2/en
Publication of JPS6457004A publication Critical patent/JPS6457004A/en
Publication of JPH0794881B2 publication Critical patent/JPH0794881B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To control the emission of NOX at the time of burning pulverized coal by disposing a spacer between the secondary air nozzle and third air nozzle, and providing the pulverized coal nozzle with a flame stabilizer. CONSTITUTION:Pulverized coal ejected from a fuel nozzle 2 is ignited by the carrier primary air and secondary air ejected from a secondary air nozzle 4 to form a low air content flame in the center of the flame. Said low air content flame extends radially outwardly from the end of the nozzle 2. The flame is stabilized by a flame stabilizer plate 10 and the secondary air flow and its spiral intensity adjustment. In the present burner, the mixing of the third air and the low air content flame is retarded due to the presence of a spacer between the third air ejected from a third air nozzle 6 and the secondary air jet, and after oxygen in the combustion air is consumed in the low air content flame by the ignition near the burner throat 26, the reduction ambient air with a low oxygen content is formed. The third air causes complete combustion of remaining unburnt fuel after NOX is reduced in the reduction ambient air.
JP21279087A 1987-08-28 1987-08-28 Low NO ▲ Lower x ▼ Combustion burner Expired - Fee Related JPH0794881B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21279087A JPH0794881B2 (en) 1987-08-28 1987-08-28 Low NO ▲ Lower x ▼ Combustion burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21279087A JPH0794881B2 (en) 1987-08-28 1987-08-28 Low NO ▲ Lower x ▼ Combustion burner

Publications (2)

Publication Number Publication Date
JPS6457004A true JPS6457004A (en) 1989-03-03
JPH0794881B2 JPH0794881B2 (en) 1995-10-11

Family

ID=16628425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21279087A Expired - Fee Related JPH0794881B2 (en) 1987-08-28 1987-08-28 Low NO ▲ Lower x ▼ Combustion burner

Country Status (1)

Country Link
JP (1) JPH0794881B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620337U (en) * 1992-05-01 1994-03-15 花王株式会社 Goods alignment device
US5370216A (en) * 1993-03-05 1994-12-06 Shibuya Kogyo Co., Ltd. Apparatus for aligning vessels
CN107575860A (en) * 2017-09-21 2018-01-12 哈尔滨工业大学 A kind of pulverized coal cyclone burner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620337U (en) * 1992-05-01 1994-03-15 花王株式会社 Goods alignment device
US5370216A (en) * 1993-03-05 1994-12-06 Shibuya Kogyo Co., Ltd. Apparatus for aligning vessels
CN107575860A (en) * 2017-09-21 2018-01-12 哈尔滨工业大学 A kind of pulverized coal cyclone burner

Also Published As

Publication number Publication date
JPH0794881B2 (en) 1995-10-11

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees