Apparatus for heat treatment of liquids

Claim 1

IN AN APPARATUS FOR INDIRECT HEAT EXCHANGE BETWEEN A LIQUID MEDIUM AND A VAPOUR MEDIUM, THE COMBINATION OF A ROTOR INCLUDING A NEST OF ANNULAR DISKS HAVING SPACED CONICAL PORTIONS AND ALSO HAVING INTERENGAGING A SET OF RADIAL FLANGES AT THEIR OUTER PERIPHERIES AND INTERENGAGING A SET OF RADIAL FLANGES AT THEIR INNER PERIPHERIES, A STATIONARY CASING, A DRIVE SHAFT ON WHICH THE ROTOR IS MOUNTED THROUGH SAID INNER FLANGES FOR ROTATION ABOUT AN AXIS IN SAID CASING, THE CASING DEFINING A CHAMBER SURROUNDING THE ROTOR, SAID CONICAL DISK PORTIONS FORMING A SERIES OF CONCIAL CHANNELS OF WHICH ALTERNATE CHANNELS ARE FOR PASSAGE OF SAID LIQUID MEDIUM AND THE OTHER CHANNELS ARE FOR PASSAGE OF SAID VAPOUR MEDIUM, SAID OUTER FLANGES HAVING FIRST PASSAGES THROUGH WHICH SAID ALTERNATE CONICAL CHANNELS COMMUNICATE WITH SAID CHAMBER, THE ROTOR HAVING AN ANNULAR GROOVE SURROUNDING AND OPENING TOWARD SAID AXIS, SAID OUTER FLANGES HAVING SECOND PASSAGES THROUGH WHICH SAID OTHER CONICAL CHANNELS COMMUNICATE WITH SAID GROOVE, A STATIONARY PARING DEVICE LOCATED IN SAID GROOVE AND FORMING AN OUTLET THEREFROM, MEANS FOR SEALING SAID GROOVE FROM SAID CHAMBER, SAID CHAMBER HAVING A VAPOUR OUTLET AND A LIQUID OUTLET, SAID INNER FLANGES FORMING AN AXIAL PASSAGE EXTENDING GENERALLY PARALLEL TO SAID SHAFT AND OPENING TOWARD ONE END THEREOF TO FORM AN INLET FOR ONE OF SAID MEDIA, SAID INNER FLANGES HAVING RADIAL PASSAGES LEADING FROM SAID AXIAL PASSAGE TO SAID ALTERNATE CONICAL CHANNELS, A FIRST STATIONARY INLET DUCT FOR SAID ONE MEDIUM, A SEALED FLOW CONNECTION THROUGH WHICH SAID FIRST DUCT COMMUNICATES WITH SAID AXIAL INLET PASSAGE IN THE INNER FLANGES, AND A SECOND STATIONARY INLET DUCT FOR ADMITTING THE OTHER MEDIUM AND COMMUNICATING WITH SAID OTHER CONICAL CHANNELS BY WAY OF SAID ANNULAR GROOVE AND ONE OF SAID FLANGE SETS.