Improvement of Service Life of Small Furnace Covers on 150 t Refining Ladles
作者：ZHANG Liang
摘要：The factors restricting the life of the refining furnace cover were introduced,including the airflow erosion of the refining dust removal system,the melting loss caused by the arc radiation of the electrode,the chemical erosion and penetration of slag and gas,and the condition of refining slag.The improvement measures are adjusting the material of the small furnace cover from corundum to chrome corundum,using a large shaking table to vibrate,optimizing the size design of the small furnace cover,and appropriately thickening the weak areas in the triangular area.The average service life of the refining furnace cover has been increased from one week to two months,reaching 4 maintenance cycles,which meets the needs of the refining production.
發文機構：Steelmaking Department of Tianjin Pipe Corporation
關鍵詞：REFININGLADLEFURNACECOVERserviceLIFEmeasures
分類號： TG1[金屬學及工藝—金屬學]
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