A stock bin structure for pitch raw material screening

The utility model discloses a stock bin structure for pitch raw material screening, include feed bin body and a plurality of shale shaker of setting from top to bottom, the sieve diameter from the topdown of a plurality of shale shaker decreases progressively, and the shale shaker slope sets up at the feed bin originally internally, and the top of feed bin body is uncovered, and the bottom of feed bin body is equipped with the feed opening, and the lateral wall of feed bin body is equipped with a plurality of discharge gates that correspond with the shale shaker, and the shale shaker has two,the shale shaker is alpha with the contained angle of horizontal plane, is alpha's value 10 20. The utility model discloses a load pressure is alleviateed, and life obtains prolonging that is used for the screening efficiency of the feed bin of pitch raw material screening high, and asphalt blocks are difficult to pile up on the sifter, and the amplitude of shale shaker can remain stable, the shale shaker. 本实用新型公开了种用于沥青原料