| 摘要 |
<p>: Scrubber for separating powder particles from a gas stream comprising a closed vertical cylindrical housing with a tangential inlet for the gas stream and a concentrical discharge pipe passing through the top of the housing for the removal of the purified air, means being provided for flushing the lower portion of the inner wall of the housing consisting of an annular gutter surrounding the housing and communicating with said inner wall by means of a large number of narrow passages, the level of the gutter being well above the lower end of the discharge pipe.</p> |
