COMBINATION VACUUM INDUCTION ELECTRON BEAM FURNACE FOR MELTING, REFINING AND CASTINY OF METAL Russian patent published in 1997 - IPC

FIELD: metallurgy. SUBSTANCE: surface is provided with additional induction chamber connected with electron beam chamber by means of spout and vacuum seal. Induction chambers are made in form of rotary batch furnaces; spouts are heated and are mounted for motion along axis of turn of batch furnaces for transfer of metal; refining hearth of electron beam chamber is made in form of funnel with guide groove spirally lowering from periphery to center and terminating in system of holes located over perimeter around central hole for electron beam in course of casting simultaneously for heating the metal in crystallizer or ingot mould for bringing up the pipe into the sinkhead; heating sources and evacuation systems are self-contained for each chamber. EFFECT: enhanced reliability. 3 cl, 1 dwg