Oct 18, 2016· Page 16 layout of steam poweR plant 17. Page 17 The different types of systems and components used in steam power plant are as follows: 1.Coal handling system 2. High pressure boiler 3. Air preheater, economizer, super heater ,feed heaters. 4. Pumping system 5. Feed water purification plant 6. Condensers and cooling towers 7. Draught system 8.