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1
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- R.A. Hawrelak
- CBE 497
- CBE 317
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|
2
|
- A defective, high pressure, steam boiler ruptured.
- High vibrations were heard just before the boiler ruptured. (Two Phase
Slug Flow?)
- The resultant explosion on rupture damaged nearby vessels containing
flammables.
- The flammable Loss Of Containment resulted in further fires and
explosions.
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3
|
- 23 workers were killed.
- Nine are still missing.
- 74 were injured.
- $800,000,000 (U.S.) estimated property damage.
- We have another “Flixborough” incident.
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4
|
- A foreman in a storage depot at the complex said he heard “Strange
noises and abnormal vibrations coming from a boiler and valves before
the main explosion.”
- This is often symptomatic of two phase flow in the line to the boiler KO
drum.
- Two phase flow in the “Slug Flow” Regime will give you high vibrations.
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5
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6
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7
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8
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9
|
|
|
10
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|
|
11
|
|
|
12
|
|
|
13
|
|
|
14
|
|
|
15
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16
|
- More lessons to be learned.
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Notes
