Category Archives: Uncategorized
EAF Repair Entry Temperature
We reline / repair refractory with hearth / upper shell in-place and have a safety procedure to verify thermal conditions prior to entry using a wet bulb thermometer. We are looking for 125 F wet bulb or below to make entry. Would like to bench mark this temperature guidance with others using similar practices.
EAF cable twist direction
Our power cables are left-hand-lay. Standing at the bearing, the roof swings out to the right, so left-hand-lay cables tighten up. Engineering wants to try right-hand-lay cables that would loosen the wrap when swinging out instead of tightening. I have no clue which is better or worse for cable life! Any thoughts?
Camera For Cab Cranes
Does anyone use camera on trolleys to help operators with blind spot? How do you protect from the heat? we have an issue with our billet crane and we need a camera that will stand to the heat from hot billets pick up by the mag. Philippe Belanger, CMC New Jersey
Ladle Argon Stir Plug
This past weekend we had a very different leak on a Ladle Stir plug. The stir plug had steel leak through the plug and then out of the argon gas feed pipe. This occurred after the tapping car was moved to the pit and immediately after the argon was shut off. Only about 20 lbs. […]
Ladle Refractory Laser
Who is currently using a laser to monitor the refractory condition in the steel ladles? Vendor and technology used? Mobile or permanently mounted equipment?
Meltshop Crane Service
Good Day, All! How is everyone servicing their hot metal and charging cranes? Internal/External, a mix of both?
EAF Break Out
Hey everyone, We had break out on our mast wall last Monday. Luckily no one was hurt. There was significant damage, but the break out was at the slag line, so we didn’t lose a lot metal through side. The liner wasn’t even to 50% of it’s life and there were no indications abnormal wear […]
Cold Startup Burner Preheat
Does anyone use their sidewall burners to preheat the furnace to help warm water in the system to prevent shocking equipment before starting up? If so, can you tell me a good O2/Ng ratio to set the burner to do this task? We found after being down for a few days during very cold weather […]
Foamy Slag Practice
Can anyone share their foamy slag practice? Have a few questions? lbs/min ? Length of injection?
