Copper Launders
Slag launders are utilized in pyrometallurgy smelting processes to safely and efficiently transport molten material from the furnace to other processing units or vessels. Tenova Pyromet has developed an innovative and safe copper launder solution for the tapping of slag or a mixture of slag and matte/metal.
Overview
Slag launders used in industry are typically refractory-lined or water-cooled launders with no refractory lining. The disadvantage of refractory-lined launders is that the slag attacks refractories and therefore the launder requires frequent maintenance. Water-cooled launders do not require refractory lining. In many cases these launders have cooling water channels directly underneath the molten slag stream. If superheated matte or metal is tapped with the slag, this can damage the launder and lead to water leaks and potential steam explosions. Tenova Pyromet’s innovative water-cooled copper launders are designed to effectively remove energy from the runner through the sidewall cooling channels, therefore, eliminating the inherent risks associated with refractory-lined and water-cooled launders.
