Investigation on Cleansing the if Molten Steel with the Dispersed In Situ Phase Induced by the Composite Ball Explosive Reaction in RH Ladles

Abstract:

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A novel fine inclusion removal technology due to the dispersed in-situ phase induced by the composite ball explosive reaction was put forward. A composite ball with this function has been designed and prepared using a laboratory model batch type balling disc (at 12 rpm) and the composite ball has been fed at the end of RH refining. The results indicate that feeding composite ball in RH ladle is a novel technology and the inclusion in the IF molten steel can be removed effectively. Compared with conventional inclusion removal technology, the number of the oxide inclusion can be decreased to a lower level and the inclusion size becomes finer. Using this novel technology, the total oxygen in the as-cast slab can approach to 5ppm and the steel production cost for per ton can be reduced by 5 ~12 RMB.

Info:

Periodical:

Advanced Materials Research (Volumes 284-286)

Main Theme:

Edited by:

Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu

Pages:

87-93

DOI:

10.4028/www.scientific.net/AMR.284-286.87

Citation:

Z. Li et al., "Investigation on Cleansing the if Molten Steel with the Dispersed In Situ Phase Induced by the Composite Ball Explosive Reaction in RH Ladles", Advanced Materials Research, Vols. 284-286, pp. 87-93, 2011

Online since:

July 2011

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Price:

$35.00

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