Water treatment purification filter based on polypropylene fiber filter cloth

The utility model discloses a water treatment purification filter based on polypropylene fiber filter cloth, and particularly relates to the technical field of sewage treatment filters, the water treatment purification filter comprises a filter body, a scraping plate is arranged at the top end of the outer surface of a sludge box, and a connecting pipe is arranged at the bottom end of the outer surface of the sludge box; an electric telescopic rod is arranged at the bottom end of the outer surface of the T-shaped rod, the output end of the electric telescopic rod slides on the inner wall of the sludge box, a rectangular block is fixedly connected to the output end of the electric telescopic rod, and the rectangular block slides on the inner wall of the sludge box. When sludge on polypropylene fiber filter cloth is scraped into a sludge box through a scraper, an electric telescopic rod can be operated to move slowly, and the electric telescopic rod stretches and retracts to drive a rectangular block to slide o