Paper Title:
Process Calculation of Producing Stainless Steel Crude Melts by the Chromium Ore Smelting Reduction in a Converter
  Abstract

The process calculation of producing stainless steel crude melts by smelting reduction in a 150 t converter is carried out for the first time by use of the empirical data and calculation method of refining plain carbon steel in a converter, according to the blowing conditions of 185 t smelting reduction converter of No.4 steelmaking shop in Chiba Works of JFE Steel. Using the self-programming procedure for the processing calculation, the proper coke quantity and a complete set of calculation data for the process of smelting reduction in a converter are obtained, including the batch calculation, the material balance and heat balance calculations. The calculation results show that the increase of PCR can decrease the quantity of coke and actual oxygen consumption considerably, and improve the thermal efficiency of smelting reduction converter. For producing 18 wt% Cr stainless steel crude melts, comparing with the process of electric arc furnace, the process of smelting reduction in a converter can reduce the production cost greatly. The use of the recycled metal containing chromium can shorten blowing time and improve the yield of chromium.

  Info
Periodical
Advanced Materials Research (Volumes 189-193)
Edited by
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages
4442-4445
DOI
10.4028/www.scientific.net/AMR.189-193.4442
Citation
Y. Liu, M. F. Jiang, D. Y. Wang, "Process Calculation of Producing Stainless Steel Crude Melts by the Chromium Ore Smelting Reduction in a Converter", Advanced Materials Research, Vols. 189-193, pp. 4442-4445, 2011
Online since
February 2011
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$32.00
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