RE: T!Ts24 Jun 2019 08:32
I am quite happy about this news, the gas cooling is needed to protect vulnerable parts of the furnace.
Looks like a submerged arc furnace, I had to help restart one of these that had a melt through, painful.
They chucked graphite in to get the current through it, in the end I recommend they also put copper in which when vaporised by the current coated the graphite for better electrical conduction and heating.
GLA
Ramping up...