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A blast furnace that produced pig iron from iron ore, coke and limestone exploded. Around 2000 tonnes (441,000 lbs) of hot liquid, solid and semi-solid materials were forcibly ejected onto the cast house floor via the annular gap created by the upward movement. Gaseous material and dust rose into the cast house and exited to the atmosphere where most of it ignited. The basic cause of the furnace explosion was a significant internal over-pressure due to interaction of water and molten materials within its lower section.
Ask yourself and your crew:
- How can something like this happen here (e.g. on our site)?
- What safety measures (i.e. procedures, controls/barriers) do we have in place to mitigate the risk?
- How do we know the risk controls/barriers are working?
- What improvements or changes should we make to the procedures, controls/barriers or the way we work?
Original content courtesy of IChemE Safety Centre