Vacuum distillation apparatus

Claim 1

DISTILLATAION APPARATUS INCLUDING WALLS FORMING A DISTILLATION CHAMBER, AT LEAST A PART OF SAID WALLS BEING OF APPROXIMATELY CIRCULAR INTERNAL SHAPE IN HORIZONTAL CROSS SECTION, MEANS FOR HEATING PORTIONS OF SAID WALLS, SPRAYING MEANS FOR SPRAYING LIQUID DISTILLAND ONTO SAID APPROXIMATAELY CIRCULAR PART OF SAID WALLS IN A DIRECTION APPROXIMATELY TANGENTIALLY WITH RESPECT THERETO TO FORM A SUBSTANTIALLY CONTINUOUS FILM OF SAID DISTILLAND ON THE HEATED PORTIONS OF SAID WALLS, CONDENSING MEANS LOCATED AT LEAST PARTIALLY WITHIN SAID CHAMBER FOR CONDENSING THE VAPOR RESULTING FROM CONTACT OF SAID LIQUID DISTILLAND WITH SAID HEATED PORTIONS OF SAID WALLS, SAID CONDENSING MEANS AND THE HEATED PORTIONS OF SAID WALLS BEING IN STATIONARY POSITION RELATIVE TO EACH OTHER, SAID CONDENSING MEANS INCLUDING A PLURALITY OF APPROXIMATELY VERTICALLY ARRANGED CONDENSER TUBES SPACED INWARDLY FROM SAID WALLS ONTO WHICH THE DISTILLAND IS SPRAYED, SAID CONDENSER TUBES BEING ARRANGED IN THE FORM OF A RING OF CLOSELY SPACED TUBES, AND AN ENTRAINMENT SEPARATOR SCREEN INTERPOSED BETWEEN SAID WALLS AND SAID CONDENSER TUBES.