Month: October 2021
BOILER COOLING METHODS
Master Fuel Trip When a master fuel trip occurs automatically through normal interlocks, or is initiated manually by an operator, all fuel should be tripped instantaneously. If coal is being fired, the pulverizers should be tripped immediately. Tripping the pulverizers will automatically trip the feeders and close the hot airRead More
DIFFERENTIAL EXPANSION
It is prohibited to raise the speed of turbine rotor or the load if the relative expansion (+) or contraction (-) of the rotor reaches the maximum permissible values as per given by original equipment manufacturer. If HP rotor expands quicker than the HPT casing, steam supply for heating flangesRead More