METAL FLOW CONTROL

摘要

The present invention relates to a method and a system for the control of a gas-containing hidden flow of molten metal in a space defined by a tubular means. From mesurements in at lest one predetermined layer of the metal flow in teh space, an indication is obtained o fthe appearance of the flow which is compared with stored values. The result of the comparison is used for controlling at least one flow-affecting parameter in such a manner that a desired type of flow is provided at least in said layer.