Patent ID: 6162388
Filing Date: 2000-12-19
Classification: C21C,C22B

Abstract:
A metallurgical reactor for the treatment under reduced pressure of a liquid metal, contained in a ladle, comprising:a chamber connected to a gas-suction plant for maintaining a reduced pressure therein said chamber including a bottom wall, and two tubular snorkels having upper ends extending from said bottom wall and lower ends immersible in said liquid metal contained in said ladle for creating a circulatory motion in the liquid metal between the ladle and the chamber during a reduced pressure treatment,an enclosure containing said ladle and having an upper peripheral edge, said enclosure being provided with a gas injector for creating a pressure greater than atmospheric pressure in the enclosure the upper peripheral edge of the enclosure supporting the bottom wall of the chamber in a sealed manner during said treatment, anda mechanism for raising the ladle toward the chamber during said treatment.