| 摘要 |
PROBLEM TO BE SOLVED: To provide a sludge scraper which is prevented from being overloaded even when the scraping of a large amount of stacks and an intermittent operation are performed without using a drive unit having a large capacity.SOLUTION: A sludge scraper includes: a driving wheel 3; driven wheels 4, 5; a drive unit 15 rotating the driving wheel 3; a pair of endless chains 7 supported by the driving wheel 3 and the driven wheels 4, 5; and a plurality of flight plates 8 mounted to the chains 7. The array of the plurality of flight plates 8 is constituted with at least a short interval section arrayed with the flight plates 8 at short intervals and a long interval section arrayed with the flight plates 8 at longer intervals than the short interval section.SELECTED DRAWING: Figure 1 |
