| 摘要 |
<p>A scraper stirring unit for mixing flowing and/or paste-type material, and for scraping the material off the inner surface (2) of a mixing container (3), comprises at least one stirring arm (4) and a scraper (5) with one or two scraping edges (6). The scraper has open grooves at its ends, and pins locate with the grooves, to hold the stirring arm. The scraper can be rotated and can move radially to the surface to be scraped.</p> |
