JPS6446514A - Burner nozzle for combustion of pulverized coal - Google Patents

Burner nozzle for combustion of pulverized coal

Info

Publication number
JPS6446514A
JPS6446514A JP19937687A JP19937687A JPS6446514A JP S6446514 A JPS6446514 A JP S6446514A JP 19937687 A JP19937687 A JP 19937687A JP 19937687 A JP19937687 A JP 19937687A JP S6446514 A JPS6446514 A JP S6446514A
Authority
JP
Japan
Prior art keywords
port
tip
pipe
combustion
flame
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
JP19937687A
Other languages
Japanese (ja)
Other versions
JPH0788936B2 (en
Inventor
Nobuaki Kobayashi
Hiroyuki Miyake
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.)
Japan Oxygen Co Ltd
Nippon Sanso Corp
Original Assignee
Japan Oxygen Co Ltd
Nippon Sanso Corp
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 Japan Oxygen Co Ltd, Nippon Sanso Corp filed Critical Japan Oxygen Co Ltd
Priority to JP19937687A priority Critical patent/JPH0788936B2/en
Publication of JPS6446514A publication Critical patent/JPS6446514A/en
Publication of JPH0788936B2 publication Critical patent/JPH0788936B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To increase flame temp. by a method wherein at the place ranging from the tip of a supply pipe for pulverized fuel to a flame ejecting port an ejecting port for mixed streams and a combustion chamber diverging in conical shape are installed and supply pipes for primary and secondary combustion support gas are formed in specified conical slits. CONSTITUTION:At the tip of a supply pipe 4 for pulverized coal a column- shaped ejecting port 5 for mixed streams and at the tip of the port 5 a conical combustion chamber 6 diverging toward the tip of an inner cylinder 3 are formed and its tip is formed as a flame ejecting port 7. A supply pipe 8 for combustion support gas is formed between the pipe 4 and an outer cylinder 2 and the port 8 is interconnected to the port 5 and the chamber 6 by supply pipes 9, 10 for primary and secondary combustion support gas respectively. The pipe 9 is formed in a cylindrical slit shape and gradual reduction in its diameter toward the port 5. The pipe 10 is formed into bored holes 12a-12c converging on the axial line l of a burner nozzle 1. By this constitution, the improvement in combustion efficiency and the increase in flame temp. can be achieved.
JP19937687A 1987-08-10 1987-08-10 Burner nozzle for pulverized coal combustion Expired - Fee Related JPH0788936B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19937687A JPH0788936B2 (en) 1987-08-10 1987-08-10 Burner nozzle for pulverized coal combustion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19937687A JPH0788936B2 (en) 1987-08-10 1987-08-10 Burner nozzle for pulverized coal combustion

Publications (2)

Publication Number Publication Date
JPS6446514A true JPS6446514A (en) 1989-02-21
JPH0788936B2 JPH0788936B2 (en) 1995-09-27

Family

ID=16406731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19937687A Expired - Fee Related JPH0788936B2 (en) 1987-08-10 1987-08-10 Burner nozzle for pulverized coal combustion

Country Status (1)

Country Link
JP (1) JPH0788936B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1616126A2 (en) * 2003-04-04 2006-01-18 Maxon Corporation Apparatus for burning pulverized solid fuels with oxygen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1616126A2 (en) * 2003-04-04 2006-01-18 Maxon Corporation Apparatus for burning pulverized solid fuels with oxygen
EP1616126A4 (en) * 2003-04-04 2008-10-08 Maxon Corp Apparatus for burning pulverized solid fuels with oxygen
US8584605B2 (en) 2003-04-04 2013-11-19 Maxon Corporation Apparatus for burning pulverized solid fuels with oxygen

Also Published As

Publication number Publication date
JPH0788936B2 (en) 1995-09-27

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