| 摘要 |
1530963 Continuous production of steel KLOCKNER-WERKE AG 29 Jan 1976 [6 Feb 1975] 03457/76 Addition to 1470796 Heading C7D [Also in Division F4] In the melting and refining of ferrous material (e.g. scrap, sponge) to steel the charge is melted from below in a vessel equipped with a burner, the melt passing to a tiltable electric arc refining vessel, beneath the melting vessel, which is provided with a water-cooled step (14) around its inner periphery at the slag zone. A refractory material, e.g. dolomite, may be placed on the step for lining repair purposes. |
