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1. (WO2015043910) VESSEL LOWER PART, A METALLURGICAL VESSEL FORMED THEREWITH AND ALSO AN ELECTRIC ARC FURNACE AND METHOD FOR THE OPERATION THEREOF

Pub. No.:    WO/2015/043910    International Application No.:    PCT/EP2014/068839
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Fri Sep 05 01:59:59 CEST 2014
IPC: F27B 3/19
B22D 11/10
B22D 11/113
B22D 39/00
B22D 41/14
F27D 3/15
F27D 3/00
Applicants: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Inventors: MÜLLER, Alexander
Title: VESSEL LOWER PART, A METALLURGICAL VESSEL FORMED THEREWITH AND ALSO AN ELECTRIC ARC FURNACE AND METHOD FOR THE OPERATION THEREOF
Abstract:
The invention relates to a vessel lower part (1) for a metallurgical vessel (2), having a vessel wall (1a), a vessel base (1b), a melting chamber (1c) and at least one tapping apparatus (3) for withdrawing liquid metal (4a, 4b) from the melting chamber (1c), wherein the melting chamber (1c) is designed to accommodate > 100 t of liquid metal (4a, 4b), and provision is made of at least one first tapping apparatus (3a) which is designed according to a principle of a waterlock and which has at least two separate inlet openings (6a, 6b) in the vessel wall (1a) for transferring the liquid metal (4a) from the melting chamber (1c) into the first tapping apparatus (3a). The invention also relates to the metallurgical vessel (2), to an electric arc furnace (100) equipped therewith and also to a method for the operation thereof.