| 摘要 |
An apparatus and method for production of refractory metal from a chloride thereof, comprising a conversion assembly and a purification assembly, the former in turn comprising: an elongated vertical cylindrical member with an open top and a closed bottom, another cylindrical member open at each end but having a grid plate detachably supported at a bottom thereof, said cylindrical members consisting of axially arranged outer and inner vessels, respectively, an annular top cover joined on respective upper ends of said outer and inner vessels, a closure joined over a central bore of said top cover, a furnace means surrounding said outer vessel, a tube means which extends through the closure into the inner vessel for feeding raw chloride, another tube means which opens in the outer vessel at a bottom thereof and extends along a wall thereof outwards for discharging fluids, and a means for evacuation and introduction of inert gas; while the purification assembly comprising: an elongated vertical cylindrical retort which is separable into a coolable upper half and a heatable lower half, a cylindrical member open at each end thereof to consist another inner vessel coaxially arranged inside the retort, another top cover joined on respective upper ends of the retort and inner vessel, another closure joined over a central bore of the top cover, a furnace means surrounding the retort lower half, a water jacket on the retort upper half, and a duct means connected with the closure for degassing the retort, said inner vessels being of a common construction to each other, and the top cover of the purification assembly, as well as the closure, being secured air-tightly but detachably to the retort and the inner vessel by a mechanical means adaptable to secure the top cover and closure to the outer and inner vessels of the conversion assembly, respectively. |
