▎ 摘　　要

NOVELTY - The utility model claims a sieving device for preparing graphene by tar slag, belonging to the filter field of the material in the coking production process. The technical solution is: the box body (4) is a rectangular box body structure with lower opening; the sieve frame cushion frame (10) is a rectangular frame structure matched with the box body (4); the box body (4) is fixed on the sieve frame cushion frame (10); the upper part of the box body (4) is provided with a feeding port (1); the box body (4) is provided with a vertically arranged scraping plate (2) and a horizontally arranged push-pull rod (3); one end of the push-pull rod (3) is connected with the scraping plate (2); the other end of the push-pull rod (3) passes through the box body (4) and is provided with a handle (6); the screen (7) is set between the box body (4) and the sieve frame cushion frame (10); the box body (4) at two sides of the screen (7) is respectively with a discharging port (5); the lower part of the discharging port (5) is provided with a collecting groove (11). The beneficial effect of the utility model is capable of batch, fast and efficient screening work.