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Post by zapster on Jun 8, 2022 5:37:31 GMT -5
Anyone knows what's wrong with Mandalong mine in NSW, Australia? It's making headlines as main reason that the largest power station in the state is running out of coal. From what I read, there was a longwall move but that move was cut short and mining has stopped completely. Doesn't sound like there's a fix any time soon. I'm surprised that the issue is that bad, as I thought if you hit on poor seam, at worst, you can just move to a new longwall?
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Post by rob52 on Jul 1, 2022 5:27:02 GMT -5
Not sure. Inspectorate Investigation. "high pressure air unexpectedly escaped from the air pipe in proximity to the two workers with its rate and volume causing the workers to be blown off their feet. Both workers were seriously injured, with one suffering spinal injuries."
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Reportedly the southern extension area encompases 40 longwall panels ranging in length from 1000m to 3500m depending on seam conditions & site constraints, ranging in panel width between 160m & 200m, so there should be plenty of coal, but its Thermal only.
Mandalong previously had 125m longwall panel widths & left the Goaf standing. The SFAIAA the Longwall stops as the Goaf of the previous panel passes from the CH4 LEL through to above the CH4 UEL. Barometric pressure variations create challenges with CH4 in the returns.
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Rob
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Post by zapster on Jul 4, 2022 23:02:00 GMT -5
Yeah, I saw that injuries but wasn't sure if that was the main reason for the disruption.
Banpu's production forecasts always look optimistic compared to actual output.
Anyone knows if Mandalong has started production again? Banpu only updates their numbers quarterly.
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