| 摘要 |
<p>Current of liq. contaminated with solid particles is filtered in a system having an element with supporting frame and outlet. The frame is clad with filtering material on opposite sides, while a cleaning mechanism mobile w.r.t. cladding removes the cake formed by the particles accumulated on it. The cladding comprises a low-expansion filter cloth bellying out under the effect of the current, and which remains bellied out during the cleaning operation.</p> |
