Abstract: The invention concerns a device wherein the diffusion chamber (6) comprises, between its upstream end and its downstream end, in the direction of the fluid flow, at least an insert (12) formed by an annular ring having an external diameter identical to the internal diameter of the chamber, said annular ring being arranged perpendicular to the axis of the supply conduit and projecting towards the inside part of the chamber from the side wall(s) thereof, to form a lateral obstacle to the fluid flow, the solid surface of the insert (12) being sufficient to generate in the upstream part of the chamber a pressure higher than that of the downstream part.

Abstract: A method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column (1). The method includes separating the liquid-vapor mixture into two opposite and horizontal flows (6, 7), and directing the flows toward the lower part (4) of the column (1) to reduce the entrainments of liquid toward the upper part (5) of the column. The device includes elements (9a, 9b) for separating the liquid-vapor mixture into two opposite and horizontal flows and elements for directing the flows toward the lower section of the column. The elements cooperate to reduce the entrainment of liquid toward the upper section of the column. The method and device can be applied in the oil industry, namely in crude oil refineries as well as in chemistry and petrochemistry.

Abstract: The invention concerns a device wherein the diffusion chamber (6) comprises, between its upstream end and its downstream end, in the direction of the fluid flow, at least an insert (12) formed by an annular ring having an external diameter identical to the internal diameter of the chamber, said annular ring being arranged perpendicular to the axis of the supply conduit and projecting towards the inside part of the chamber from the side wall(s) thereof, to form a lateral obstacle to the fluid flow, the solid surface of the insert (12) being sufficient to generate in the upstream part of the chamber a pressure higher than that of the downstream part.

Abstract: This invention relates to a method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column (1).