Chapter 18. -DISTILLING PLANTS 



fE[0 OUTLET 



«NT OUTLET 

 OVERFLOW INLET 

 CONDENSATE INLET 



ffED INLET 



DETAIL SECTION OF MMJND 



TYPE A-A-Ar 



FEEO INLET 



6 5 -» 3 2 1» 



OVERFLOW OUTLET 



) O O ( 



FEED OUTLET 



oo 



O O ( 



o o 

 o o 

 oo 



> O Ob 

 O Oc 

 ' O Od 

 O Oe 



) o o^ 



O O @-® O Oh 

 O O I O O' 



OVERFLOW INLET 



CONDENSATE OUTLET 



5 4 3 2 l» 



VO-O-G-O-O 

 ' G-O-G-OH 



I -G-G-O-O -O c 

 '■G-G-G-G-( 



V-G-G-G-G 

 G-G--G-0-0 

 J -G-G- G-G ' 

 rO-O Q--C 



VENT*INLET VENT OUTLET CONDENSATE INLET 



75.288 



Figure 18-4.— Heat exclianger for a vapor compression distilling plant. 



There are four distinct flow paths: feed, brine 

 overflow, condensate (distillate), and vent. 



ACCESSORIES AND AUXILIARIES.-A num- 

 ber of accessories and auxiliaries are required 

 for the operation of the vapor compression dis- 

 tilling unit. These include feed, distillate, and 



brine overflow pumps; feed regulating and flow 

 control valves; relief valves; compressor bypass 

 valves; rotameters; and avariety of pressure and 

 temperature gages. 



THE VAPOR COMPRESSION PROCESS.- 

 Now that the principal parts of a vapor 



455 



