Shaft furnace having a metal shell, a refractory lining and cool
Shaft furnace with bottom discharge device
Shredder dust feeding device, reverberatory furnace provided...
Sidewall for a metallurgical smelting furnace
Silver controller
Silver reclamation apparatus
Silver recovery apparatus
Silver recovery cartridge for used fixer of neutral or higher pH
Silver recovery device
Silver recovery device
Silver recovery system
Silver recovery system
Silver recovery unit
Sintering machine
Slag and hot metal runner system
Slag and hot metal runner systems
Smelt spout for a recovery furance
Smelting furnace for direct obtaining of copper from ore concent
Stack for the thermal treatment of material
Stave cooling device having unwelded double tube