SUBLIMATOR Russian patent published in 1998 - IPC

FIELD: equipment for processing of sublimating materials; applicable in conduction of sublimation and desublimation processes of UF of enriched UU²³⁵. SUBSTANCE: sublimator has cylindrical body accommodating heat-exchange member and heat-carrier chamber embracing heat-exchange member, inlets and outlets of process gas and heat carrier, and heater. Sublimator is provided with coolant tubular evaporator connected to ejector and central insert absorbing neutrons. Fuel member is made in form of annular chamber and chamber for heat carrier embracing the annular chamber is installed in a spaced relation to body and central absorbing insert. In addition, installed in zone of body inlet of process gas is electric heater. Installed in zone of process gas outlet is filtering insert. EFFECT: highly reliable, economically efficient and nuclear safe. 5 cl, 7 dwg