Mahapatra, A K S and Goswami, M C and Prakash, S and Singh, K K (1996) Quality of coke for high PCR blast furnace process-Some images. NML Technical Journal, 38 (4). pp. 161-167.
Restricted to NML users only. Others may use ->
Of all the large tonnage of steel produced from ore today about 98% is made by blast furnace-basic oxygen furnace (BF-BOF) route. Notwithstanding the great advantages to the blast furnace iron making process as a concept, a constraint for this process route is its need for a costly and environment unfriendly coking process. It consumes 20-25% of the operating cost of iron making and account for 40-50% of the investment cost for blast furnace based iron making. Although the coke is an indispensable material for the blast furnace process, the changing blast furnace operative practices from "All coke" to high "Pulverised Coal Injection (PCI) Rates" imposes new demands on the coke quality. In the paper we present the properties of coke desirable to the blast furnace process for injection of a large amount of pulverised coal (HIGH PCR). The state of the art and recent development in the area of coke making processes are also presented in the paper.
|Uncontrolled Keywords:||Coke; Pulverised coal injection; Blast furnace; Coke strength after reduction; Coke reactivity index|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Sahu A K|
|Deposited On:||17 Sep 2010 09:54|
|Last Modified:||04 Apr 2012 17:18|
Repository Staff Only: item control page