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1, Summarize
The periphery drive mud scraper used in water supply and drainage engineering of water or sewage treatment plant and larger diameter (> 15 m) spoke of streaming (round) the scratch of destabilize the mud and leave slag. Has simple structure, convenient maintenance, energy consumption province, smooth operation, work safety and reliability, blow set sludge effect is good, eduction sludge water content advantages.
2, Working principle
Device drivers drive mud scraper destabilize center around the rotation, raw water destabilize the precipitation, clear liquid from the overflow weir on board, the precipitation in the bottom of the pool from the sludge, logarithmic spiral in the push of QuXianXing scraper, slowly along the bottom to flow to the central mud collecting the slot, through the row mud tube eduction. At the same time pool face scum on scum scraper and scum on the area between the baffle, when work bridge after floating in the pool from scum, discharge tube scum on cylinder pressure was to liquid surface, the scum discharge tube through from the pool.