| 摘要 |
<p>PURPOSE:To improve operability of an oxygen feeding device for electric furnace having plural lance pipes and to prevent scattering of hoses on operational floor. CONSTITUTION:Plural lance pipes 20 are made groups at each plural pieces and a table 21 horizontally and vertically swung under collecting these pipes at each group, is arranged and further, a hose reel 40 for winding hose and a cable reel for winding cable, each shut-off valve 23 at each group are arranged on a carriage 10.</p> |
