1) Before boiler dry-out starts, adjust the main steam vent as per demand and the opening
degree of drainage valves:
2) Adjust the openness of the fan inlet movable vane to be consistent with that of the baffle.
Primary air fan inlet movable vane 5%-10%
Secondary air fan inlet movable vane 5%-10%
Induced draft fan inlet movable vane 5%-10%
Secondary air fan upper/lower vanes Close