JPS646601A - Steam-temperature elevating device for fluidized bed boiler - Google Patents

Steam-temperature elevating device for fluidized bed boiler

Info

Publication number
JPS646601A
JPS646601A JP15970787A JP15970787A JPS646601A JP S646601 A JPS646601 A JP S646601A JP 15970787 A JP15970787 A JP 15970787A JP 15970787 A JP15970787 A JP 15970787A JP S646601 A JPS646601 A JP S646601A
Authority
JP
Japan
Prior art keywords
temperature
amount
fluidized bed
steam
reduced
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
JP15970787A
Other languages
Japanese (ja)
Other versions
JPH0756362B2 (en
Inventor
Tsutomu Higo
Takahiro Oshita
Shigeru Kosugi
Naoki Inumaru
Hajime Kawaguchi
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.)
Ebara Corp
Original Assignee
Ebara 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 Ebara Corp filed Critical Ebara Corp
Priority to JP62159707A priority Critical patent/JPH0756362B2/en
Publication of JPS646601A publication Critical patent/JPS646601A/en
Publication of JPH0756362B2 publication Critical patent/JPH0756362B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

PURPOSE: To obtain a desired superheated steam by adjusting the amount of gas to be supplied to an aeration device concerned by the afterflow side temperature of a heat recovering room through the steam and controlling the amount of gas to be supplied to other aeration devices due to the temperature of a fluidized bed. CONSTITUTION: The temperature of steam being extracted from a pipe 14' is measured by temperature-measuring equipment 21, the opening of a flow-rate adjustment damper 24 is adjusted by a temperature controller 22 based on the temperature, and the amount of fluidizing gas of a circulation layer part 9 is adjusted, thus controlling the temperature of superheated steam to a specific temperature. On the other hand, when the temperature of a fluidized bed main combustion part becomes lower than a specified temperature within the range of the optimum temperature of the combustion part, the opening of a flow-rate adjustment damper 27 is reduced by a temperature controller 26 based on temperature being measured by temperature-measuring equipment 25 in the fluidized bed main combustion part, thus reducing the amount of aeration to the circulation layer 9. As a result, the amount of fluidized medium circulation is reduced and at the same time a heat transfer coefficient is reduced, thus performing control so that the amount of heat collection can be reduced and the temperature of the fluidized bed main combustion part rises. More specifically, combustion can be maintained efficiently.
JP62159707A 1987-06-29 1987-06-29 Steam temperature raising device for fluidized bed boiler Expired - Fee Related JPH0756362B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62159707A JPH0756362B2 (en) 1987-06-29 1987-06-29 Steam temperature raising device for fluidized bed boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62159707A JPH0756362B2 (en) 1987-06-29 1987-06-29 Steam temperature raising device for fluidized bed boiler

Publications (2)

Publication Number Publication Date
JPS646601A true JPS646601A (en) 1989-01-11
JPH0756362B2 JPH0756362B2 (en) 1995-06-14

Family

ID=15699542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62159707A Expired - Fee Related JPH0756362B2 (en) 1987-06-29 1987-06-29 Steam temperature raising device for fluidized bed boiler

Country Status (1)

Country Link
JP (1) JPH0756362B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02290402A (en) * 1989-04-28 1990-11-30 Ebara Corp Heat recovery control method for fluidized bed boiler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3191297A (en) * 1996-06-21 1998-01-07 Ebara Corporation Method and apparatus for gasifying fluidized bed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02290402A (en) * 1989-04-28 1990-11-30 Ebara Corp Heat recovery control method for fluidized bed boiler

Also Published As

Publication number Publication date
JPH0756362B2 (en) 1995-06-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees