196
Chapter 4
Figure 4.4. Components for a typical marine power plant [4.30].
Table for Fig. 4.4 numbered components
1. Main turbine
17. Drum cleaner
2. Turbo generator
18. Low pressure heater
3. Gland leaks
19. To tanks
4. Aux. condensor
20. Flash distilling plant
5. Aux. condensor pump
21. Distilling heater drain pump
6. Aux. air ejector
22. Deaerating feed heater
7. Main condensor
23. Main feed pump
8. Main condensor pump
24. Contam steam generator
9. Main air ejector
25. Feed pump
10. Gland leak and vent
26. Drain tank
11. Distiller air ejector
27. Cargo dehumidation
12. Low pressure heater drum
28. Hot water
cleaner vent air ejector
29. Galley and laundry
13. Atmosphere drum tank
30. Ships heating
drain pump
31. Fuel oil tank heaters
14. Atmospheric drain tank
32. Steam atomizing
15. Make-up feed
33. Inspection tank
16. Vent
34. Boilers
4.4 are estimated along with some typical
MTTF’s by Harrington and
Riddick [4.8] and [4.30] in Table 4.1. In examining Fig. 4.4 component data,
keep in mind that there are 8760 hr/year (continuous operation) or about
2080 hr/year at 40 hr per week.