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Title: Combustion of sponge iron plant wastes -- Char and fly ash in FBC boilers

Abstract

Coal based sponge iron plants generate large quantity of waste materials in the form of kiln char and fly ash. This material has a very little fuel value owing to the fact that it contains a large percentage of ash and it is almost free from volatiles. Added to this, wide size range of the kiln rejects makes it practically impossible to burn in conventional firing. However, it is realized that the overall economy of the sponge iron plant is likely to be greatly enhanced if the char, the fly ash and a considerable quantity of coal fines, separated in the coal preparation plant, can be utilized. The only possible way to gainfully use these fuels is by fluidized bed combustion. Extensive tests were conducted with these fuels in bubbling fluidized bed combustion test facilities at BHEL, Tiruchirapalli, India. The presentation highlights the experience gained with the above waste fuels in BHEL test facilities and discusses the findings which were subsequently used to design large size FBC boilers.

Authors:
; ; ;  [1]
  1. Bharat Heavy Electricals Ltd., Tiruchirapalli (India)
Publication Date:
OSTI Identifier:
357861
Report Number(s):
CONF-9705116-
ISBN 0-7918-1557-9; TRN: IM9932%%206
Resource Type:
Conference
Resource Relation:
Conference: 14. international conference on fluidized bed combustion, Vancouver (Canada), 11-16 May 1997; Other Information: PBD: 1997; Related Information: Is Part Of Proceedings of the 14. international conference on fluidized bed combustion: Volume 2; Preto, F.D.S. [ed.] [Canada Centre for Mineral and Energy Technology, Ottawa, Ontario (Canada). Energy Technology Centre]; PB: 647 p.
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; CHARS; FLY ASH; COAL FINES; WASTE PRODUCT UTILIZATION; FLUIDIZED-BED COMBUSTION; TEST FACILITIES; FLUIDIZED BED BOILERS; DESIGN

Citation Formats

Rajavel, M, Muthukrishnan, M, Banerjee, M, and Natarajan, R. Combustion of sponge iron plant wastes -- Char and fly ash in FBC boilers. United States: N. p., 1997. Web.
Rajavel, M, Muthukrishnan, M, Banerjee, M, & Natarajan, R. Combustion of sponge iron plant wastes -- Char and fly ash in FBC boilers. United States.
Rajavel, M, Muthukrishnan, M, Banerjee, M, and Natarajan, R. 1997. "Combustion of sponge iron plant wastes -- Char and fly ash in FBC boilers". United States.
@article{osti_357861,
title = {Combustion of sponge iron plant wastes -- Char and fly ash in FBC boilers},
author = {Rajavel, M and Muthukrishnan, M and Banerjee, M and Natarajan, R},
abstractNote = {Coal based sponge iron plants generate large quantity of waste materials in the form of kiln char and fly ash. This material has a very little fuel value owing to the fact that it contains a large percentage of ash and it is almost free from volatiles. Added to this, wide size range of the kiln rejects makes it practically impossible to burn in conventional firing. However, it is realized that the overall economy of the sponge iron plant is likely to be greatly enhanced if the char, the fly ash and a considerable quantity of coal fines, separated in the coal preparation plant, can be utilized. The only possible way to gainfully use these fuels is by fluidized bed combustion. Extensive tests were conducted with these fuels in bubbling fluidized bed combustion test facilities at BHEL, Tiruchirapalli, India. The presentation highlights the experience gained with the above waste fuels in BHEL test facilities and discusses the findings which were subsequently used to design large size FBC boilers.},
doi = {},
url = {https://www.osti.gov/biblio/357861}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Dec 31 00:00:00 EST 1997},
month = {Wed Dec 31 00:00:00 EST 1997}
}

Conference:
Other availability
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