Principles of naval engineering - Historic Naval Ships Association

'I'Chapter 18. -DISTILLING PLANTSffEDINLETDETAIL SECTION OF MMJNDTYPEA-A-ArfE[0OUTLET«NT OUTLETOVERFLOW INLETCONDENSATE INLETFEEO INLET6 5 -» 3 2 1») O O (OVERFLOW OUTLETooO O (o oo o ooOb>OO OcO OdO Oe) o o^O O @-® O OhO O I O O'CONDENSATE5 4 3 2 l»VO-O-G-O-OG-O-G-OH-G-G-O-O -O c'G-G-G-G-(V-G-G-G-GG-G--G-0-0J -G-G- G-G 'rO-O Q--COUTLETFEEDOUTLETOVERFLOW INLETVENT*INLET VENT OUTLET CONDENSATE INLETFigure 18-4.— Heat exclianger for a vapor compression distilling plant.75.288There are four distinct flow paths: feed, brineoverflow, condensate (distillate), and vent.ACCESSORIES AND AUXILIARIES.-A numberof accessories and auxiliaries are requiredfor the operation of the vapor compression distillingunit. These include feed, distillate, andbrine overflow pumps; feed regulating and flowcontrol valves; relief valves; compressor bypassvalves; rotameters; and avariety of pressure andtemperature gages.THEVAPOR COMPRESSION PROCESS.-Now that the principal parts of a vapor455