Separator for separating a multiphase mixture

摘要

A separator for separating a multiphase mixture comprising a pressure vessel supported for rotation within a casing containing a gas which may be held at an elevated temperature or pressure. A plurality of vanes is disposed within the pressure vessel. The pressure vessel has an inlet, a first phase outlet and a plurality of second phase outlets disposed radially outwardly of the first phase outlet with respect to a separator axis. A regulator is provided in the form of pressure-activated nozzles to regulate flow through the second phase outlets. In use, a mixture of solids and liquid is fed into the pressure vessel and the pressure vessel is spun within the gas causing solids to accumulate in the vicinity of the second phase outlets. The pressure-activated nozzles are repeatedly opened and closed to expel the accumulated solids.

主权项

1. A separator for separating a multiphase mixture comprising:
a pressure vessel, which defines a separator axis; a support for supporting the pressure vessel for rotation about the separator axis; at least one vane disposed within and coupled for rotation with the pressure vessel; a flow regulator, wherein the pressure vessel has an inlet, a first phase outlet and a plurality of second phase outlets disposed radially outwardly of the first phase outlet with respect to the separator axis and the flow regulator is arranged to regulate flow through the second phase outlets; and a third phase outlet disposed radially outwardly of the first phase outlet and radially inwardly of the second phase outlets; a control system which is arranged to control the radial position of an interface between first and third phases within the pressure vessel, wherein the control system comprises
a regulator associated with least one of the first phase and the third phase outlets for varying pressure at said outlet, anda sample port for determining the proportion of first phase and/or second phase of a mixture of first and second phases at a predetermined reference position within the vessel, wherein the sample port extends in the radial direction with respect the separator axis such that the sample port extends over a predetermined radial extent, wherein a plane of the sample port is inclined with respect to the separator axis.