SYQ type submersible pressure filter pump, a new type of pressure filter feed pump developed for the underground material pool suction condition, has solved the following issues under this condition: operating failures caused by cavitation damage in horizontal pressure filter feed pumps, insufficient head, tendency to exceed power, and insufficient immersion depth in long shaft submerged slurry pumps. Mainly used for sand and stone separation in cement mixing stations, river sediment removal, steel mill wastewater treatment, sand washing, ore selection, and other industries' pressure filter feed.