steam generator 

 (once-through type) 



to electrical control 

 and distribution 



to primary 



Figure A-5. Preliminary power plant conversion system. 



Legend; 



2,660 # 



262 P 



1,235H 



100# 



steam 

 generator 



auxiliary steam system (air 

 ejectors, gland exhaust, etc.] 



Water 



# = flow rate, Ib/hr 

 P = pressure, psia 

 2,560# Q ^ |^gg^_ B^^j/hr 



H = enthalpy, Btu/lb 



I 2,660 # 

 113H 



(^- 



100# 

 makeup 



2.43(10)"Q 



'JLA 2,660# 

 ^ ' 113H 



condensate pump 



I feed pump 



Figure A-6. Preliminary full-power heat balance. 



101 



