Sludge removal apparatus with feeder, scraper, temporary storage area and pump

摘要

Screw profiles on rotating drum 6 are provided to feed sludge 100 (typically from the inside of a tank, not shown) to elevator 8 which has scrapers 11 mounted to chains 12. Sludge 100 is delivered to temporary storage and pump 17 moves the sludge to outlet 9. At least one backflow prevention valve (and typically two 19, 22) is provided.