1、The water level control for the steam drum is all along a typical issue in the control domain.
2、In the process of lifting the high pressure steam drum of a 9e HRSG, great deformation and stress may happened to the drum and associated pipes.
3、Actual application for control of water level in steam drum presents that the fuzzy PID controller can improve the performance of system obviously.
4、The paper analyses the leaking reasons for the newly installed valves of the new HP steam drum, and describes the measures to plug the leak under pressure.
5、Besides, the fatigue damage for both the boiler steam drum and the notch specimen under varied amplitude low cycles is investigated with the effect of average stress taken into account.
