FSSS (Furnace Safeguard Supervisory System)
FSSS LOGIC SYSTEM BOILER START- UP SEQUENCE The boiler can be placed in service, initially or after a “Master Fuel Trip,” in the following sequence through FSSS. Furnace Purge:- BeforeRead More
Forces on Steam Turbine Rotor
Topic: Forces on Rotor (Steam Turbine / Turbo-generator Rotor) The paragraph describes the various stresses and forces acting on a rotor during operation in a turbine or generator. 1. CentrifugalRead More
Use of MEKO (Methyl Ethyl Ketoxime) Instead of Hydrazine in Boiler Water Treatment
Hydrazine (N₂H₄) has been traditionally used as an oxygen scavenger in boiler feedwater to prevent corrosion. However, due to its toxicity and potential carcinogenic effects, alternative chemicals like Methyl EthylRead More
Explain the types of tube failure that may occur innthe initial stage of boiler operation till stabilization?
During the initial stage of boiler operation, until the system reaches a stable operational phase, several types of tube failures can occur. These failures are often related to start-up conditions,Read More
BOE NUMERICAL QUESTIONS
QUESTION:- In an APH, Gas inlet flow is 31kg/s with 3.5% oxygen in the outlet the oxygen content increases to 4.2% . Find the leakage quantity of air and alsoRead More
High Pressure Bypass Fast open Condition
Turbine trip GCB open LSR operated Emergency fast open push button pressed Pressure deviation high ( actual pressure- HPBP pressure setpoint => 8ksc)