| 摘要 |
<p>PURPOSE:To automatically execute fitting and detaching works of a lance and a hose in an oxygen blowing device by the consumable type lance of electric furnace, etc. CONSTITUTION:A lance housing cassette device 21 for providing lance feeding- out mechanism, a lance holder 22 with hose coupler for providing travelling mechanism, a lance supplying arm 28 for supplying the lance 1 fed out from the lance housing cassette device 21 to the lance holder 22 and a recovery lance housing box 23, are provided, and the operations from feeding-out of the lance 1 to the fitting/detaching of the hose 2 and recovery of lance 1 already used, are automatically executed.</p> |
