JPS57204706A - Combusting method of preventing corrosion and blockade of air preheater - Google Patents

Combusting method of preventing corrosion and blockade of air preheater

Info

Publication number
JPS57204706A
JPS57204706A JP8753181A JP8753181A JPS57204706A JP S57204706 A JPS57204706 A JP S57204706A JP 8753181 A JP8753181 A JP 8753181A JP 8753181 A JP8753181 A JP 8753181A JP S57204706 A JPS57204706 A JP S57204706A
Authority
JP
Japan
Prior art keywords
blockade
flame
combustion gas
exhaust combustion
burner
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
JP8753181A
Other languages
Japanese (ja)
Inventor
Manabu Orimoto
Yoshito Shiraishi
Masahiro Kuroda
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 JP8753181A priority Critical patent/JPS57204706A/en
Publication of JPS57204706A publication Critical patent/JPS57204706A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

PURPOSE:To prevent the generation and adhesion of acid ammonium sulfate in and to machines and instruments arranged on the downstream side of a desulfurization device by a method wherein an exhaust combustion gas is supplied to a burner so as to perform a low O2 and low temperature combustion operation. CONSTITUTION:Fuel is burned with the primary air supply A1 from an inner cylinder 20 having the burner 17 at the center thereof to thereby produce flame F. Next, an intermediate cylinder 21 is formed about the outer periphery of the inner cylinder 20 and exhaust combustion gas G is injected from the annular clearance formed between the cylinders 20 and 21 so that the gas G surrounds the flame F. Further, secondary air A2 and tertiary air A3 are also supplied from the annular clearance between the cylinders 20 and 21 and from the outermost periphery of the device, respectively, but these airs A2 and A3 are isolated from the flame by the exhaust combustion gas G. Consequently, the amount of generation of SO3 is reduced to a great degree and the blockade and corrosion of the devices arranged on the downstream side of the desulfurization device are prevented.
JP8753181A 1981-06-09 1981-06-09 Combusting method of preventing corrosion and blockade of air preheater Pending JPS57204706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8753181A JPS57204706A (en) 1981-06-09 1981-06-09 Combusting method of preventing corrosion and blockade of air preheater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8753181A JPS57204706A (en) 1981-06-09 1981-06-09 Combusting method of preventing corrosion and blockade of air preheater

Publications (1)

Publication Number Publication Date
JPS57204706A true JPS57204706A (en) 1982-12-15

Family

ID=13917568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8753181A Pending JPS57204706A (en) 1981-06-09 1981-06-09 Combusting method of preventing corrosion and blockade of air preheater

Country Status (1)

Country Link
JP (1) JPS57204706A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60245907A (en) * 1984-05-21 1985-12-05 Hitachi Zosen Corp Three-stage burner
EP0279913A2 (en) * 1987-02-26 1988-08-31 Ingenieurbureau Sonvico AG Burner for the combustion of liquid or gaseous fuels

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4844820A (en) * 1971-10-06 1973-06-27
JPS5439223A (en) * 1977-09-02 1979-03-26 Babcock Hitachi Kk Process for recycling exhaust gas and apparatus of the same having a cataly- tic reaction device for use in a steam-generating apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4844820A (en) * 1971-10-06 1973-06-27
JPS5439223A (en) * 1977-09-02 1979-03-26 Babcock Hitachi Kk Process for recycling exhaust gas and apparatus of the same having a cataly- tic reaction device for use in a steam-generating apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60245907A (en) * 1984-05-21 1985-12-05 Hitachi Zosen Corp Three-stage burner
JPH0328641B2 (en) * 1984-05-21 1991-04-19 Hitachi Shipbuilding Eng Co
EP0279913A2 (en) * 1987-02-26 1988-08-31 Ingenieurbureau Sonvico AG Burner for the combustion of liquid or gaseous fuels

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