Filtering and mud scraping integrated sewage treatment tank

The utility model discloses a filtering and mud scraping integrated sewage treatment tank. The utility model belongs to the field of sewage treatment, the utility model discloses a filtering and mud scraping integrated sewage treatment tank. The treatment tank comprises a treatment tank body, a filtering and mud scraping assembly is arranged on the inner side of the treatment tank body; the filtering and mud scraping assembly comprises a telescopic assembly, a coarse filter screen and a fine filter screen; the coarse filter screen is positioned above the fine filter screen; openings are formedin the centers of the coarse filter screen and the fine filter screen; the telescopic assembly penetrates through openings in the centers of the coarse filter screen and the fine filter screen from top to bottom and is fixedly connected with the coarse filter screen and the fine filter screen; ultra-light scraping blocks and a pair of sliding assemblies are fixedly connected to the side ends of the coarse filter screen a