tube changer for containing and exchanging an interchangeable leakage valve, inner valve made of a refractory core material for casting molten metal from a metallurgical vessel, assembly of an inner valve and a tube changer and metallic lining to cover an internal valve

摘要

tube changer for containing and exchanging an interchangeable leakage valve, inner valve made of a refractory core material for casting molten metal from a metallurgical vessel, assembly of an inner valve and a tube changer and metallic lining to cover an internal valve. The invention relates to an internal valve (12) for mounting on a tube exchange device (10) for containing and exchanging an interchangeable leakage valve for casting molten metal from a vessel, said tube exchange device comprising a frame with an ingot opening, said frame being suitably attached to the underside of a metal ingot vessel and comprising a first upper portion and a second lower portion, joining in a plane of the intermediate section defining the plane where a internal valve (12) and an interchangeable leakage valve form a sliding contact, - the upper side portion of the frame comprising means for receiving and securing (50a, 50b, 50c) in place in its pouring position a support surface of a inner valve (12) against an upper side portion support portion of the frame such that the through hole of the inner valve (12) is in contact with fluidic communication with the ingot opening, and internal (12) is in fluid communication with the ingot opening, and - the lower portion comprising means for loading and moving along a first direction (x) to the casting position a valve Interchangeable casting system, characterized in that at least two of the securing means (50a, 50b, 50c) are arranged transversely to said first direction (x).