JPS55165406A - Burner for pulverized coal - Google Patents

Burner for pulverized coal

Info

Publication number
JPS55165406A
JPS55165406A JP7059679A JP7059679A JPS55165406A JP S55165406 A JPS55165406 A JP S55165406A JP 7059679 A JP7059679 A JP 7059679A JP 7059679 A JP7059679 A JP 7059679A JP S55165406 A JPS55165406 A JP S55165406A
Authority
JP
Japan
Prior art keywords
pulverized
pulverized coal
combustion
coal
nozzle
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
JP7059679A
Other languages
Japanese (ja)
Inventor
Shoichi Masuko
Shigeto Nakashita
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.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 filed Critical Babcock Hitachi KK
Priority to JP7059679A priority Critical patent/JPS55165406A/en
Publication of JPS55165406A publication Critical patent/JPS55165406A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To lower the flame temperature and reduce the amount of NOx formed upon combustion by a method wherein the pulverized coal injection direction is deflected to a fixed direction, and the pulverized coal injection direction is rendered variable.
CONSTITUTION: Pulverized coal flowed from a pulverized-coal conveyor pipe 4 into an outer cylinder 3 together with combustion primary air is injected into a furnace 1 through a pulverized-coal injection nozzle 8 opening in a rectangular shape. The nozzle 8 is connected by support rods 11 to an inner cylinder 10 located in the central portion of the outer cylinder 13, and rotated by rotation of the inner cylinder 10. The pulverized coal is diffused by guide vanes 9; since the guide vanes 9 are arranged with a diffusion angle in only one direction of the rectangular opening, the coal is injected unevenly relative to the secondary air which is fed from around the nozzle 8 in a form larger in size than, but similar in shape to, the rectangular opening. Accordingly, the mixture of fuel and air has a differential strength, so that the combustion proceeds slowly, the combustion temperature is lowered, and the amount of NOx formed is reduced.
COPYRIGHT: (C)1980,JPO&Japio
JP7059679A 1979-06-07 1979-06-07 Burner for pulverized coal Pending JPS55165406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7059679A JPS55165406A (en) 1979-06-07 1979-06-07 Burner for pulverized coal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7059679A JPS55165406A (en) 1979-06-07 1979-06-07 Burner for pulverized coal

Publications (1)

Publication Number Publication Date
JPS55165406A true JPS55165406A (en) 1980-12-23

Family

ID=13436094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7059679A Pending JPS55165406A (en) 1979-06-07 1979-06-07 Burner for pulverized coal

Country Status (1)

Country Link
JP (1) JPS55165406A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6288114U (en) * 1985-11-15 1987-06-05
KR100372145B1 (en) * 1998-12-30 2003-04-18 두산중공업 주식회사 Pulverized coal burner for reducing NOx

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104428A (en) * 1974-01-28 1975-08-18
JPS5246528A (en) * 1975-10-11 1977-04-13 Babcock Hitachi Kk Gasburner with reduced nox exhaust

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104428A (en) * 1974-01-28 1975-08-18
JPS5246528A (en) * 1975-10-11 1977-04-13 Babcock Hitachi Kk Gasburner with reduced nox exhaust

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6288114U (en) * 1985-11-15 1987-06-05
KR100372145B1 (en) * 1998-12-30 2003-04-18 두산중공업 주식회사 Pulverized coal burner for reducing NOx

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