Sludge scraper mechanism

Details Sludge scraper mechanism Sludge scraper mechanism

B - Operations, Transporting

01

D

182/134

B01D 21/00 (2006.01)

Patent

CA 1067419

"SLUDGE SCRAPER MECHANISM" ABSTRACT OF THE DISCLOSURE An improved scraper to scrape the sludge from the bottom of a clarifying tank in a biological waste treatment plant. The scraper is Y-shaped, having two angularly spaced blades which move under the sludge at such an angle as to lift the sludge onto the blade such that the sludge urges the scraper in wiping relation with the bottom of the tank. The scraper is suspended by flexible cables from support arms which extend outwardly from an oscillating bridge moveable over the top of the clarifier tank. The arms are arranged to extend over transverse partitions in the clarifier tank drawing the flexible cables over support rollers as the bridge approaches the partition to lift the scraper upwardly as the scraper approaches the partition to pre- vent sludge from being trapped against the partition. - 1 -

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