FLIGHT AND SLUDGE SCRAPER HAVING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a sludge scraper in which a spent flight is recycled as a resource by using an aluminum alloy as a material of the flight. SOLUTION: In the sludge scraper constituted so as to attach the flights with a fixed interval to an endless chain arranged in a settling tank and to circulate and run the flights in the settling tank with the running of the endless chain, the aluminum alloy made flight having a sealed anodic oxidation coating film is used, the endless chain is stainless steel made and the flights are jointed to the endless chain with binding fixtures having an electrolytic corrosion resistant coating film. COPYRIGHT: (C)2003,JPO