JPS6484005A - Multistage combustion method - Google Patents

Multistage combustion method

Info

Publication number
JPS6484005A
JPS6484005A JP23892787A JP23892787A JPS6484005A JP S6484005 A JPS6484005 A JP S6484005A JP 23892787 A JP23892787 A JP 23892787A JP 23892787 A JP23892787 A JP 23892787A JP S6484005 A JPS6484005 A JP S6484005A
Authority
JP
Japan
Prior art keywords
air
fuel
combustion
flow
line
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
JP23892787A
Other languages
Japanese (ja)
Inventor
Masatoshi Kudome
Masahiko Matsuda
Masayasu Sakai
Akiyasu Okamoto
Kimiyo Tokuda
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 Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP23892787A priority Critical patent/JPS6484005A/en
Publication of JPS6484005A publication Critical patent/JPS6484005A/en
Pending legal-status Critical Current

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  • Regulation And Control Of Combustion (AREA)

Abstract

PURPOSE:To control the increase of NOx value produced in the time of load variation by measuring the flow of fuel and primary air and adjusting primary air flow to make predetermined flow in accordance with the flow of fuel when a boiler combustion is multistagedly. CONSTITUTION:The total combustion air is branched into a main combustion air line 8 and a AA line 7 through a whole air damper 3 and a forced air fan 4 from the whole air line 2 and supplied into the upstream and the down stream sides of a boiler furnace body 1 as primary air (air for main combustion fuel) and secondary air (AA air). Fuel is supplied into the upstream side of the boiler furnace body 1 from a fuel supply line 9 and burned as mixed with the primary air. Unburnt fuel is completely burned by the secondary air. At the time of combustion detecting data of a fuel flow meter 11 and a main combustion air flow meter 12 are transmitted to a combustion quantity follow-up damper adjusting device 10, air ratio of a main burner is calculated and the opening of a main burner air damper 6 is adjusted in order that NOx generation is minimum.
JP23892787A 1987-09-25 1987-09-25 Multistage combustion method Pending JPS6484005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23892787A JPS6484005A (en) 1987-09-25 1987-09-25 Multistage combustion method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23892787A JPS6484005A (en) 1987-09-25 1987-09-25 Multistage combustion method

Publications (1)

Publication Number Publication Date
JPS6484005A true JPS6484005A (en) 1989-03-29

Family

ID=17037345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23892787A Pending JPS6484005A (en) 1987-09-25 1987-09-25 Multistage combustion method

Country Status (1)

Country Link
JP (1) JPS6484005A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9869469B2 (en) 2009-12-22 2018-01-16 Mitsubishi Heavy Industries, Ltd. Combustion burner and boiler including the same
US10281142B2 (en) 2009-12-17 2019-05-07 Mitsubishi Heavy Industries, Ltd. Solid-fuel-fired burner and solid-fuel-fired boiler

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53439A (en) * 1976-06-24 1978-01-06 Mitsubishi Heavy Ind Ltd Fuel combustion method
JPS58205008A (en) * 1982-05-26 1983-11-29 Toshiba Corp Combustion apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53439A (en) * 1976-06-24 1978-01-06 Mitsubishi Heavy Ind Ltd Fuel combustion method
JPS58205008A (en) * 1982-05-26 1983-11-29 Toshiba Corp Combustion apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10281142B2 (en) 2009-12-17 2019-05-07 Mitsubishi Heavy Industries, Ltd. Solid-fuel-fired burner and solid-fuel-fired boiler
US9869469B2 (en) 2009-12-22 2018-01-16 Mitsubishi Heavy Industries, Ltd. Combustion burner and boiler including the same

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