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Boiler - Process

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Determination of job profile for the mechanical erection or commissioning, process engineer or technician for boilers and related systems

Example Commissioning

Preparation

System check, walk down of system, comparison of PID (as built from erection) and field installations, check of cleanliness, accessibility and labeling
Check and preparation of commissioning documentation
Formal taking over from erection (transfer of liability) including the clear definition of boundaries, labeling of boundary limits and safe isolation, separation or closing of branches to connected systems that are not taken over yet
Preparation for first start up
Check installation and alignment of rotating machinery like pumps, fans,...
Coordination with electrical and DCS teams and definition of priorities
Ensure safe communication from field to switch gears and control room
else

Commissioning of components

First filling of vessels, pipes and equipment
Check of supports and hangers
Commissioning of skids like gas reducing station, fuel oil heaters/ filters, igniters and ignition burners, blow down system including attemperation, fuel additive dosing system, SCAPH and related condensate pump system, soot blowers,...
Commissioning of main pumps, fans, feed water supply,...
Signal check with switch gears (emergency stop) and control system/ control room indications
else

System commissioning

Mechanical cleaning and/ or steam blow out of pipe(s)
Filling of systems and preparation for first start up.
System start up and functional tests together with DCS
Test of all protection features, automatic change over, alarm annunciation, "cold checks"
Start up of systems one by one to have the whole boiler ready for first fire
Hot commissioning, i.e. first fire and "hot" checks of protection devices
Steam blow out of main super heaters and main lines
System tuning and optimization for normal operation and in case of disturbances
Documentation of results
else