The utility model discloses a center transmission mud scraper with a skimming function. The center transmission mud scraper comprises a driving device, a main shaft, a center cylinder, a scraping arm scraping plate, a stirring
machine, a skimming device, an overflow weir and the like. The main shaft rotates to drive the wall scraping plate to scrape and collect
sludge at the bottom of the
pool to the central
sludge collecting tank, and meanwhile, the
sludge is prevented from being accumulated and discharged through the stirrer. Supernatant is discharged through an overflow weir, but
dross on the surface of the tank is removed by a drossing device. The skimming device comprises a cross beam, a scum scraping plate, a scraping rake, a walking mechanism, a telescopic frame, an erasing
brush and the like, scum can be effectively removed, attachments on the overflow weir can be removed, manual intervention is reduced, and the installation flexibility and adaptability of equipment are improved. Compared with a traditional center transmission mud scraper, the center transmission mud scraper has higher structural strength and stability, is particularly suitable for a
sedimentation tank with a large tank
diameter, has a remarkable skimming effect and efficient
sewage treatment capacity, and can greatly improve the working efficiency and
economic benefits of a
sewage treatment
plant.