Cold trap for the purification of liquid metals with zones of separated traps

摘要

Cold trap for purifying a liquid metal containing oxygen and hydrogen in solution. …??It comprises a vessel (1) a feed conduit (8) for introducing the said liquid metal to be purified into the vessel (1), a manifold (10) for distributing the liquid metal at the periphery of the vessel, means for cooling (30, 32, 34) which are situated outside the vessel (1) and downstream of the manifold (10) to create a zone of cooling (28) of the liquid metal to be purified, at least one retaining member (58), a discharge conduit (22) for removing the purified liquid metal, and hydride-trapping structures (44) situated inside the vessel (1) and at the external cooling means (30, 32, 34). …IMAGE…