Patent ID: 6358193
Filing Date: 2002-03-19
Classification: B03D,B04B

Abstract:
A regulation device for a centrifugal separator, which comprisesa rotatable centrifugal rotor (1), which delimits a separation chamber (7) having peripheral outlets (30) for a separated substance, a stationary inlet device (13) for introducing into the centrifugal rotor a liquid mixture, which contains said substance and which is to be treated in the separation chamber (7), an outlet device (20-28), which is rotatable together with the centrifugal rotor (1) and adapted intermittently to open and close said peripheral outlets (30) during rotation of the centrifugal rotor for discharge of said separated substance from the separation chamber (7), and an actuation device (31-40) situated outside the centrifugal rotor (1) and adapted to actuate said outlet device (20-28) such that it maintains the peripheral outlets (30) open to an extent and/or during a time such that a predetermined amount of said separated substance leaves the centrifugal rotor (1), said extent and/or time being variable, wherein a sensing device (46) for sensing of a parameter that is representative for the amount of mixture which per unit of time is supplied into the centrifugal rotor (1) through said inlet device (13), and a control device (43), which is connected both to the sensing device (46) and to the actuation device (31-40), the control device (43) being adapted to receive from the sensing device (46) a signal reflecting the amount of mixture, which per unit of time is supplied into the centrifugal rotor (1), and in response to said signal to control the actuation device (31-40)â€”in accordance with a predetermined relation between the amount of mixture supplied per unit of time into the centrifugal rotor (1) through the inlet device and the extent and/or time that the peripheral outlets (30) are to be maintained open by means of the outlet device (20-28)â€”such that said predetermined amount of the separated substance leaves the centrifugal rotor (1).