glass furnace

Abstract

The present invention relates to a support (8) for a fusion electrode (1) immersed from the surface of a molten bath, said support (8) comprising a current supply system, a first cooling device (20) comprising an inner conduit (12) and an outer conduit (11) associated for the circulation of a coolant, the outer conduit of said first cooling device being surrounded by electrical insulation, said electrical insulation being surrounded by a second cooling device (22) comprising an inner conduit (17) and an outer conduit (16) associated for the circulation of a coolant, characterized in that at least the outer conduit of the second cooling device has a substantially parallelepiped or parallelepiped cross-section. Fig 1