Six-monthly Inspection of Boiler


ComponentVisual and Functional inspection
Safety valves for steam generators with fully demineralized water and hot water generators in generalCheck ease of movement
Water level controller transmitters after commissioning and water quality disturbancesCheck on ease of movement and inspect state of internal cleaning
Flow limitersCheck effectiveness by reducing flow rate
Pressure indicator connecting pipingCheck water pressure, pressure gauge .Passage cleaning
Pressure limiters connecting pipingCheck effectively switch points,passage cleaning
Pressure stats connection pipingCheck switch on/off points,passage cleaning
Temperature indicators SensorsCheck water prescis. thermometer inspection
Temperature regulators SensorsCheck switch on/off point inspection
Temperature limiters SensorsCheck effectively switch points inspection
Draining and blow down EquipmentInspection
Boiler valves and componentsGeneral inspection
Feeding and circulation equipmentsInspeaction
Feed/fill and make-up water treatment plant, Boiler/circulation wterCheck for proper state,Assessment of operating conditions and water condition
Flue gas damper limiters switchClose/switch-off test
Combustion air fans, ignition and/ or cooling air fansCheck wear, cleaning, power transmitters, lubrication
Air pressure statsPulse interruption
Fuel pressure indicatorsCheck water pressure and pressure gauge
Safety shut off devices before burnerTightness test,Check ease of movement
Tightness checking equipment of internal vent of flue gas firingCheck effectiveness and cleaning
Burner start,position swithcSwitch off test
Emergency-off switchTest by actuation
Ignition equipment, Electrodes,BurnersElectrodes and valve state,Cleaning
Ventilation of flue gas passesCheck ventilation time
Flame monitoring system and flame sensorsEffectiveness check by darkening the sensor,Cleaning
Assessment of the combustion and boundary valves checkmeasurements of check flue gas quality and fuel throughput
Assessment of the furnaces and the flue gas passesCheck insulation lining and cleaning state
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