Boiler Inspections: What They Are, How They Are Conducted
An electric boiler creates heat in a slightly different way than their oil or gas counterparts. Instead of burning fuel, they use electrical power to heat elements. Those hot elements then transfer heat directly to water. While electric boilers burn "cleaner", they're not as efficient and are more expensive to operate than oil or gas boilers.
The API also has a recommendation practice, API RP 573, for the inspection of fired boilers and heaters. Most of these practices and recommendations are similar to the ASME Code Section VII Recommended Guidelines for Care of Power Boilers. During inspection and probable repair, other codes and recommendation practices might be used.
Most laws and insurance company guidelines recommend an annual inspection of boilers. This inspection would be a thorough internal and external inspection, with the boiler cool and under no pressure. However, some organizations recommend conducting an additional external inspection halfway through the year while the boiler is under pressure.
Maintaining Proper Boiler Inspections Through Proper
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Jurisdictions and insurance companies recommend that power boilers be inspected annually, both internally and externally, while not under pressure. An external inspection while the boiler is under pressure is suggested midway between the annual inspections.
These must be shut down, typically on an annual cycle, for inspection. Once the boiler in a mill or plant is shut down and cleaned, inspectors go in to inspect the bare metal tubes and walls of the boiler for defects. These are normally in the middle of a structure in almost complete darkness.
Dec 03, 2009 · Regular inspection of boilers is the law, most often governed by the state, but in some cases governed by municipality and city. Boilers must be inspected by certified inspectors according to a mandated schedule. The day-to-day maintenance and service of boilers is the responsibility of plant engineers or plant managers.