발간논문

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Vol.27, No.6, 562 ~ 570, 1989
Title
Studies on the Continuous Refining Process of hot Pig Iron by Slag / Metal Counter - Current Flow
심재동J . D . Shim, 현도빈D . B . Hyun, 정형효S . H . Cheong, 오영주Y . J . Oh, 김경식K . S . Kim
Abstract
The continuous refining process which enables to refine the molten iron in stream lined flow was studied the slag metal counter current operating method in runner type reactor. The simultaneous desiliconization and dephosphorization proceeded over 60% in spite of high Si content, while the decarburization was supressed. The simulation model based on the mass transfer in reaction zones with and without O₂ blowing expressed fairly the actual reaction in the reactor. The contributions of the slag/metal reaction zone with out O₂blowing were estimated to be 26-32% for desiliconization and 47-53% for dephosphorization. From the results obtained here, the continuous process for pre-treatment of molten pig iron was conformed to be possible technically.
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