Some trowblesome problems have occurred in the trial operation stage for feed-water pumps of 300 MW unit in the title plant

including jam of rotational parts in the said pumps

vaporization in steam-driven feed-water pump

and high temperature of cirulatory water for mechanical seal of steam-driven pumps etc. . Analysis of the said problems has been carried out

and corresponding measures have been taken

so that the occurred problems can smoothly be solved.