JPS55146326A - Control of combustion for boiler - Google Patents

Control of combustion for boiler

Info

Publication number
JPS55146326A
JPS55146326A JP5246079A JP5246079A JPS55146326A JP S55146326 A JPS55146326 A JP S55146326A JP 5246079 A JP5246079 A JP 5246079A JP 5246079 A JP5246079 A JP 5246079A JP S55146326 A JPS55146326 A JP S55146326A
Authority
JP
Japan
Prior art keywords
mixing ratio
heavy oil
discharging quantity
regulating valves
low sulphur
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
JP5246079A
Other languages
Japanese (ja)
Inventor
Norio Konya
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP5246079A priority Critical patent/JPS55146326A/en
Publication of JPS55146326A publication Critical patent/JPS55146326A/en
Pending legal-status Critical Current

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  • Regulation And Control Of Combustion (AREA)

Abstract

PURPOSE: To reduce a discharging quantity of SOx by a method wherein securing of the actual discharging quantity of SOx is made quicker and a mixing ratio of high and low sulphur heavy oil is changed quickly, in a combustion system wherein combustion control is effected by changing the mixing ratio of the high and low sulphur heavy oil in accordance with the discharging quantity of the SOx.
CONSTITUTION: High sulphur heavy oil and low sulphur heavy oil in tanks 3, 4 are maintained at constant levels always by operations of level meters 5, 6, and are introduced to a mixer 15 through pumps 9, 10, flow meters 11, 12 and regulating valves 13, 14. Here, the regulating valves 13, 14 regulate a mixing ratio of each heavy oil so as to keep a predetermined mixing ratio by a signals from the flow meters 11, 12 and a pressure gauge 16 as well as a blend control device 21 receiving a signal from a computor 20, while regulate an opening of a differntial regulating valve 22 so as to keep a primary side oil pressure thereof in constant. Further, the regulating valves 13, 14 obtain a mixing ratio by a formula; (objective SOx discharging quantity)=2×(allowable SOx discharging quantity)-(measured SOx discharging quantity), and thus determine the mixing ratio of each heavy oil from the formula above described.
COPYRIGHT: (C)1980,JPO&Japio
JP5246079A 1979-05-01 1979-05-01 Control of combustion for boiler Pending JPS55146326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5246079A JPS55146326A (en) 1979-05-01 1979-05-01 Control of combustion for boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5246079A JPS55146326A (en) 1979-05-01 1979-05-01 Control of combustion for boiler

Publications (1)

Publication Number Publication Date
JPS55146326A true JPS55146326A (en) 1980-11-14

Family

ID=12915322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5246079A Pending JPS55146326A (en) 1979-05-01 1979-05-01 Control of combustion for boiler

Country Status (1)

Country Link
JP (1) JPS55146326A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259816A (en) * 1984-06-05 1985-12-21 Sumitomo Metal Ind Ltd Air pollutant emission control device
WO2018047747A1 (en) * 2016-09-09 2018-03-15 三井造船株式会社 Fuel supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259816A (en) * 1984-06-05 1985-12-21 Sumitomo Metal Ind Ltd Air pollutant emission control device
WO2018047747A1 (en) * 2016-09-09 2018-03-15 三井造船株式会社 Fuel supply system

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