What is diff. Between mountings acceseries???

Q.What is diff. Between mountings accessories ???

Ans.boiler mountings are necessary for operations properly of boiler. but accessories are not necessary for properly operating

wht is droop and its cntrol plz describe

Q.what is droop and its cntrol plz describe?

ANS. Droop droop can be seen as a speed error or mismatch of turbine speed in case of load change. In other words, it is said that droop of governing system is let's say 5% if change of 100% of load is causing 5% of change of turbine speed. Droop can be

What is the logic behind tha id fan,fd fan,air preheater tripping ! If id fan trip what are the equipments will trip If fd fan trip what are the equipments will trip If air preheater trip what are the equipments will trip Pls explain logic in sequence?

Q.What is the logic behind tha id fan,fd fan,air preheater tripping ! 
If id fan trip what are the equipments will trip
If fd fan trip what are the equipments will trip
If air preheater trip what are the equipments will trip
Pls explain logic in sequence?

Ans.frst of all air preheater is an assesories not a mounting so this one ll not trip because of there is no any rotery equipment whill will trip its just a tube inside a shall from which the flue gas passes....

Boiler F.D fan some time tripped automatically why ?

Q. Boiler F.D fan some time tripped automatically why ?

Ans. During fd trip if some blasting sound is coming in field den check eco n aph ash handling system. Next check interlocks, control circuit, control n signal wiring.

What is fuction of 'preheter" in the boiler???

Q. What is fuction of 'preheter" in the boiler???

Ans. Air preheater is used to heat the air which is used for the combustion of fuel. The airpreheater uses the heat going out with flue gas.By this efficiency of the cycle also increases.