15 Questions
What must the Power Engineer monitor during the startup of a steam boiler?
Furnace purge, ignition, and main burner light off
Which resource is recommended to refer to for starting, warming, and cutting in steam boilers?
ASME VI Recommended Rules for the Care and Operation of Heating Boilers
What is imperative to prevent water hammer and its severe damage?
Warming up the steam lines and headers before placing boilers in service
According to ASME VI, what should operators of single boiler steam heating systems warm up simultaneously?
Heating boilers and their steam piping
What should be done prior to firing the boiler during a simultaneous warm-up procedure?
Open the boiler steam outlet valve
What must be ensured about the steam piping system during a boiler warm up?
It must be warm, dry, and ready to go online
Which guidelines are recommended for the care of power boilers?
ASME VII Recommended Guidelines for the Care of Power Boilers
What type of valve is typically used as the block valve at the outlet of the boiler?
Gate valve
What is the purpose of opening the boiler drum vent during the warm-up procedure?
To release corrosive dissolved gases from the boiler water
Why is it important to open low point system drains during the warm-up procedure?
To drain out condensate as it forms
What should be done when the boiler pressure reaches 15 to 20 kPa?
Expel all the air from the boiler
What is the purpose of raising the water temperature and pressure slowly by operating the boiler at low fire?
To prevent excessive stress due to thermal shock and uneven expansion
When should the superheater drains or vents be closed during the warm-up procedure?
After adequate flow of superheated steam is established
What should be done when the operating control reaches its cut-out point during warm-up?
Blow down the water column and gauge glass
What is a common practice when warming up a steam header or main at the same time as the boiler?
'Ensure steam traps are in service and steam traps bypasses are closed'
This quiz covers the safe startup procedures for a steam boiler, including the furnace purge, ignition, and main burner light off. It emphasizes the general steps and the ignition sequence, while highlighting the importance of following boiler manufacturer operating procedures and site-specific standard operating procedures.
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