| 摘要 |
<p>PURPOSE: A sludge scraping device is provided to effectively solve problems in sealing performance. CONSTITUTION: A sludge scraping device comprises a main body(18), a sludge scraper(37) mounted in the main body, a position changing unit, and a treating part(17). The main body consists of a piston mounted in a tow core(28) and an operation cylinder(15) with connection part in the front and back side. The position changing unit changes the position of the sludge scraping unit. The treating part is mounted in the front side of the operation cylinder, comprises a treating chamber.</p> |
