Patent ID: 7465375
Filing Date: 2008-12-16
Classification: B01D,C02F,F02G,F04C,F28D,G01F,G05B,Y02A,Y02E

Abstract:
1. A liquid distillation system comprising: a) an input for receiving untreated liquid; b) an evaporator coupled to the input for transforming the liquid to vapor; c) a head chamber for collecting vapor from the evaporator; d) a liquid ring pump comprising: e) an electric motor having a motor rotor and motor magnets to power the drive shaft wherein the motor rotor and magnets are hermetically sealed within a liquid fluid pressure boundary of the liquid ring pump; f) a condenser in communication with the liquid ring pump for transforming compressed vapor into a distilled liquid product; g) an output for discharging of distilled liquid product; h) a liquid waste output; and i) a sump wherein liquid from the evaporator may be preheated at start-up, wherein the evaporator has a plurality of parallel evaporator tubes, each tube having a first open end in communication with the sump and a second open end in communication with the head chamber and wherein each of the plurality of parallel tubes is sealed at the first end and second end by an elastomer tube seal.