The Usage and Features of Ladle Refining Furnace

LF refining furnace was successfully developed in 1971 by Japan technical staff. And the furnace hasn’t vacuum equipment, so the heating arc processing occurs on the steel surface of the slag in which LF refining furnace the so-called submerged arc refining.

When adding the synthetic slag, stirring the molten steel with argon is necessary, and the refining occurs under the non-vacuum reducing atmosphere. Afterward, the LF Furnace was improved, it can refining in the vacuum and heating under the non-vacuum circumstance when the vacuum extraction equipment installed.

The main use of LF refining furnace is for primary melting furnace (electric arc furnace, Converter, intermediate frequency furnace) refining of molten steel. It’s crucial metallurgical equipment for producing high-quality carbon steel, alloy structural steel, bearing steel, tool steel, stainless steel, etc, and meet the needs of Continuous Casting and Continuous Ligation.

This kind of LF refining Furnace have functions of electric are heating, argon stirring, wire feeding, measuring temperature and sampling, alloying, etc. And in the terms of purchase the LF refining furnace, the users can make choice by the steel grade and smelting technology.

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LF refining furnace