Anti-blocking filtering device for water pollution treatment

The invention belongs to the technical field of pollution treatment, and particularly relates to an anti-blocking filtering device for water pollution treatment, which comprises an impurity removal structure, a crushing structure and a scraping brush structure which are sequentially arranged along the water outlet direction, the impurity removal structure comprises a water inlet funnel, a baffle is fixedly installed on the side, close to the crushing structure, of the water inlet funnel, and a plurality of long kidney-shaped holes are formed in the baffle; the scraping assembly is used for scraping foreign matters intercepted on the baffle; the temporary storage assembly is used for collecting the foreign matters scraped by the scraping assembly; the crushing structure fixedly communicates with the water inlet funnel and is used for crushing foreign matters penetrating through the long kidney-shaped hole; and the scraping and brushing structure comprises a filtering piece fixedly installed on the crushing str