JPS5787525A - Boiler able to incinerate ep ash - Google Patents

Boiler able to incinerate ep ash

Info

Publication number
JPS5787525A
JPS5787525A JP16203180A JP16203180A JPS5787525A JP S5787525 A JPS5787525 A JP S5787525A JP 16203180 A JP16203180 A JP 16203180A JP 16203180 A JP16203180 A JP 16203180A JP S5787525 A JPS5787525 A JP S5787525A
Authority
JP
Japan
Prior art keywords
ashes
fluidized bed
duct
boiler
recyclic
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
JP16203180A
Other languages
Japanese (ja)
Other versions
JPS6026930B2 (en
Inventor
Kenji Arisaki
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 JP16203180A priority Critical patent/JPS6026930B2/en
Publication of JPS5787525A publication Critical patent/JPS5787525A/en
Publication of JPS6026930B2 publication Critical patent/JPS6026930B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Gasification And Melting Of Waste (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

PURPOSE: To increase the incinerating ratio of EP ashes and to economize the cost of fuel remarkably by a method wherein a fluidized bed furnace is provided in a dry box part of the bottom of a boiler.
CONSTITUTION: A porous plate 35 is arranged in the dry box 23a hanged from a lower cone 20' of a boiler body 20. A duct 38 for supplying combustion air A joins a recyclic duct 26 of combustible gas to make a fluidized gas supply duct 37 and to connect with a wind box 36. The EP ashes are supplied from an EP ashes nozzle 29 to the fluidized bed part. The inner part of a fire chamber 21 is 1,000W1,200°C in temperature and the recyclic exhaust gas is about 300W 350°C. Accordingly, the temperature of the fluidized bed 34 ranges 500 and 800°C by means of the heat due to combustion of EP ashes in the bed and the radiant heat of the fire chamber 21. Therefore, metals contained in the EP ashes are hardly softened, most of ammonium sulfide is decomposed in the fluidized bed and the EP ashes burn well.
COPYRIGHT: (C)1982,JPO&Japio
JP16203180A 1980-11-19 1980-11-19 boiler plant Expired JPS6026930B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16203180A JPS6026930B2 (en) 1980-11-19 1980-11-19 boiler plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16203180A JPS6026930B2 (en) 1980-11-19 1980-11-19 boiler plant

Publications (2)

Publication Number Publication Date
JPS5787525A true JPS5787525A (en) 1982-06-01
JPS6026930B2 JPS6026930B2 (en) 1985-06-26

Family

ID=15746755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16203180A Expired JPS6026930B2 (en) 1980-11-19 1980-11-19 boiler plant

Country Status (1)

Country Link
JP (1) JPS6026930B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6334408A (en) * 1986-07-28 1988-02-15 Ishikawajima Harima Heavy Ind Co Ltd Pulverized coal combustion process heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6334408A (en) * 1986-07-28 1988-02-15 Ishikawajima Harima Heavy Ind Co Ltd Pulverized coal combustion process heater

Also Published As

Publication number Publication date
JPS6026930B2 (en) 1985-06-26

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