| 摘要 |
<p>In order to prevent the backflow of slurry it is at first enclosed in a closed space and then air is used to force it along a discharge channel, wherein at the same time a smooth throughput of the slurry is ensured by causing any foreign bodies in the slurry to be broken up en route. To this end, the invention is provided with a casing (10; 10a, 10b, 10c) enclosing a circular cross-section rotor chamber (11) and a rotor (20; 20') which fits inside said rotor chamber (11) and which is caused to rotate by a drive means (31, 32). The rotor (20, 20') is also fitted with blades (22; 22'; 220) en bloc which extend radially from the rotating center section and which form moving chambers (23) that rotate along with the rotor (20, 20') inside the rotor chamber (11). The casing (10) is also provided with an intake port (12) that connects with the moving chambers (23) at the slurry intake point and a discharge port (14) and air supply port (15), each of which connects with the moving chambers (23) at the slurry discharge point. <IMAGE></p> |
