Boiler Troubleshooting Cases Studies - Industrial and Marine - Most Fuels
Boiler Troubleshooting Cases Studies - Industrial and Marine - Most Fuels
Boiler Troubleshooting Cases Studies - Industrial and Marine - Most Fuels
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Boiler Troubleshooting Cases Studies | Industrial and Marine | Most Fuels 26/6/20, 1(20 PM
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06 Boiler Explosion
A small low pressure (8 [Bar]) waste heat recovery
boiler installed at the back end of the main propulsion
engine of a trading ship exploded at sea shortly after
the boiler had been serviced. The explosion caused
extensive damage to the ship and prevented it from
sailing under its own power. It was towed to a nearby
port where it was laid up for over 12 months for repair.
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07 Boiler Vibration
A natural gas <red high pressure boiler recently
installed in a gas re<nery had been experiencing major
vibration problems which limited the boiler’s ability to
achieve its maximum rated output. As was typical of
boiler vibration issues, the problem exhibited a
threshold load below which the vibration did not occur.
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09 Downcomer Instability
The commissioning of a new 250 [TPH] high pressure
boiler could not be completed because of ongoing
problems with the drum level control system. The
boiler also exhibited a number of other unusual
problems including a signi<cant variation in drum level
between the left and right hand side of the drum. The
boiler was a pulverized coal <red natural circulating bi
drum unit producing 62 [Bar] steam at [470] °C. It was
<tted with a three-element drum level control system
but irrespective of whatever control settings were
made the drum level would initially exhibit a measure
of stability only to become erratic and uncontrollable
during subsequent operation.
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Boiler Troubleshooting Cases Studies | Industrial and Marine | Most Fuels 26/6/20, 1(20 PM
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