 Easy to use, efficient, flexible, low-cost
Equipment Introduction
 The LDU has higher degassing efficiency because degassing rotors are mounted between the melting furnace and casting machine in the length direction of the launder and the degassing zone is partitioned into several parts for multilevel in-line degassing. The number of rotors depends on the flow rate of molten aluminum.
Equipment Features
High degassing efficiency, above 40%. Adopting multi-zone continuous degassing to increase the contact surface and contact time between bubbles and molten aluminum; adopting the sealed design to maintain an inert headspace above the molten aluminum surface during the entire casting period to prevent more slag to eliminate secondary pollution and improve degassing efficiency.
Low use cost and maintenance frequency. The molten aluminum heating and holding system is removed, reducing consumption. Launders are adopted for degassing, reducing the residual amount of molten aluminum and the loss of metal;low maintenance cost, convenient and fast replacement of launders.
Easy to install. Small size and low weight, space-saving; needless to install the required structure or foundation; installed in the joint positions of launders; a short period of time is required for on-site commissioning, saving production downtime.
 Convenient for alloy conversion. There is no heating device or deep box, so at the end of per casting, most of the degassed metal is made into a product, which can easily clear away residual aluminum liquid in the degassing tank and convenient for the rapid alloy Conversion.
 Easy to operate. No special starting procedure; a simple molten aluminum drainage device; convenient slag removal and simple working conditions.
 Especially suitable for semi-continuous casting lines for the production of cast rods and renewable aluminum ingots. This casting technology is featured by frequent replacement of alloys without a very high dehydrogenation level.
Main Parameters
Items Parameters
Maximum temperature of molten aluminum 750
Launder shell surface temperature 60
Launder lining life 12 months
Rotor speed 100-600rpm
Inert gases High-purity N2, high-purity Ar
Degassing efficiency When it is not greater than the maximum flow rate, the inlet hydrogen content is 0.30ml / 100gAl, when the aluminum liquid is 700-740 , the hydrogen content after degassing is 0.22ml / 100g
-Degassing efficiency35% when hydrogen content at the inlet>0.30ml/100g-Al.
Power supply 380V ACÂ 50Hz, 10KVA
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