| 摘要 |
A compact, portable multi-stage vacuum particle separator with a first stage centrifugal separator, second stage linear separator concentrically mounted in the first stage, and a third stage air filter. All three separator stages deliver their separated particulate material into a common dump hopper. The second and third stages have flexible flap valves at their bottoms to automatically transfer accumulated, separated particles into the dump hopper when the unit is shut down.
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