SOLID-LIQUID SEPARATOR

PROBLEM TO BE SOLVED: To provide a long-life solid-liquid separator, in which a part receiving abrasions and damaged by a liquid cyclone can be detached and exchanged easily, and which can reduce maintenance costs. SOLUTION: The solid-liquid separator comprises the liquid cyclone 11, 11A allowing impurities contained in raw water to settle out utilizing centrifugal force in swirling the raw water containing the impurities, an inhalant canal 10 connected to the upper part of the liquid cyclone and flowing the raw water into the liquid cyclone so that the raw water may turn to a swirling flow, an impurity-recovering part 18 connected to the lower part of the liquid cyclone and recovering the settled impurities from the liquid cyclone, a barricade 16 which blocks the returning of the recovered impurities from the impurity-recovering part to the liquid cyclone, an excurrent canal 20 connected to the upper part of the liquid cyclone and flowing out treated water after the settled impurities are recovered by the impurity-recovering part from the liquid cyclone, and wear-resistant members 32-36 attached detachably to the inside of the liquid cyclone so as to cover the inner wall of the liquid cyclone. COPYRIGHT: (C)2011,JPO&INPIT