| 摘要 |
<p>Travelling scraper bridge for at least one effluent tank, with a trolley running on rails, driven by rope haulage via a winding drum drive, and fitted with a sludge scraper fixed to its scraper strut, the novel feature of which is that a guide tube is arranged over one tank in which runs one cable of the locally fixed winder drive and on the outer surface of which run at least two guide rollers installed at an angle to one another at each end of the travelling trolley of the scraper bridge struts which run perpendicularly to this guide tube.</p> |
