A particle separating apparatus is provided with a stock solution feeder (1) for supplying a stock solution containing particles, a bubble generator (2) for generating air bubbles to promote the separation of particles, a first separator (3) for separating the stock solution into a first concentrated solution and a first clear solution, a first discharge passage (4) for discharging the first concentrated solution separated by the first separator (3), a filtering device (5) provided inside the first separator (3) for filtering the particles in the first clear solution, a second separator (6) provided inside the filtering device (5) for separating the first clear solution into a second concentrated solution and a second clear solution, a second discharge passage (22) for discharging the second concentrated solution separated by the second separator (6) to the outside, and a clear solution guide passage (8) for guiding the second clear solution to the outside. Particles are effectively separated even in the case that a stock solution contains a large amount of particles having specific gravities similar to that of water.
An apparatus for separating solid matter from a liquid stream, where the apparatus includes a generally cylindrical separation panel surrounding an interior space, which is oriented so as to have a substantially vertical longitudinal axis. The separation panel has a plurality of vertically and horizontally spaced openings which are adapted to remove solid material larger than a predetermined size from liquid passing through the separation panel. The apparatus also includes a chamber surrounding the separation panel and providing a chamber portion into which the liquid passes after passing through the separation panel. The apparatus may further include an inlet positioned below the separation panel, through which the liquid stream is delivered from a bottom opening of the separation panel to the interior space and which is arranged such that the liquid circulates about the axis so as to pass the separation panel, and an outlet extending from the chamber portion.
