| 摘要 |
A fractionator for fractioning a suspension in at least two fractions, including a drum (1) rotatable about a substantially horizontal axis and having axially spaced end walls (3, 4), a centrally arranged inlet (9) for suspension, a flow channel for suspension in the drum and outlet means (15) for fractions. The flow channel (12-10, 10-13, 13-11, 11-14, 14-2) extends from the inlet (9) forth and back between the end walls of the drum and radially outwards towards an outlet (15) for the at least two fractions. Preferably, the flow channel is defined by substantially concentric cylindrical walls (10-14), of which every second (10, 11) in its one axial end is tightly connected to one end wall (3) of the drum and every second (12, 13, 14) in its one axial end is tightly connected to the other end wall (4) of the drum, so that flow can take place between the respective other ends of the cylindrical walls and the one and the other end wall, respectively, of the drum.
|
