SYSTEM AND VACUUM CENTRIFUGAL DISTILLER FOR REGENERATION OF WATER FROM URINE ON SPACECRAFT BOARD Russian patent published in 1999 - IPC

FIELD: screw life-support system of space-craft and space stations. SUBSTANCE: system includes urine receiving unit and urine preservation unit connected in succession, unit for extraction of water from urine and unit for sorption and catalytic cleaning of water extracted from urine. Unit for extraction of water from urine and from other human water waste includes vacuum centrifugal multi-stage distiller with treatable liquid (urine) and condensate circulating loops, treatable liquid delivery line and condensate, permanent gas and concentrate discharge lines. Condensate discharge line is provided with intermediate condensate accumulating reservoir. Urine circulating loop is provided with thermal pump for additional recuperation of heat; thermal pump may be made in form of steam compressor or thermoelectric pump. EFFECT: reduced mass and overall dimensions of distiller; high productivity; reduced power consumption. 11 cl, 7 dwg