Method for continuously casting steel

    公开(公告)号:US10259037B2

    公开(公告)日:2019-04-16

    申请号:US15535439

    申请日:2016-03-31

    摘要: A primary object of the present invention is to provide a technique of avoiding occurrence of surface defects caused by an electromagnetic brake while checking internal defects with this electromagnetic brake, so that cleanliness of a cast steel can be improved compared with prior arts, and the present invention provides a method for continuously casting steel, the method comprising supplying molten steel into a mold while applying an electromagnetic brake to an outlet flow discharged from an outlet port of an immersion nozzle, wherein magnetic flux density (B) of the electromagnetic brake is within a range of the following (Formula 1): B min ≤ B ≤ B max , ⁢ B min = 800 · ( D max D 0 ) 3 · ( H SEN H 0 ) ( v · sin ⁢ ⁢ θ ) , and ⁢ ⁢ B max = 3000 · ( D max D 0 ) 3 · ( H SEN H 0 ) ( v · sin ⁢ ⁢ θ ) 2 . ( Formula ⁢ ⁢ 1 )

    Method for continuously casting steel

    公开(公告)号:US10512970B2

    公开(公告)日:2019-12-24

    申请号:US16255904

    申请日:2019-01-24

    摘要: A primary object of the present invention is to provide a technique of avoiding occurrence of surface defects caused by an electromagnetic brake while checking internal defects with this electromagnetic brake, so that cleanliness of a cast steel can be improved compared with prior arts, and the present invention provides a method for continuously casting steel, the method comprising supplying molten steel into a funnel mold while applying an electromagnetic brake to an outlet flow discharged from an outlet port of an immersion nozzle, wherein magnetic flux density (B) of the electromagnetic brake is within a range of the following (Formula 1): B min ≤ B ≤ B max , ⁢ B min = 800 · ( D max D 0 ) 3 · ( H SEN H 0 )  ( v · sin ⁢ ⁢ θ )  , ⁢ and ⁢ ⁢ B max = 3000 · ( D max D 0 ) 3 · ( H SEN H 0 ) ( v · sin ⁢ ⁢ θ ) 2 . ( Formula ⁢ ⁢ 1 )