Probability screen is used at dry powder mortar station

The utility model belongs to a probability screen is used at dry powder mortar station, including the screen frame, the head end top of screen frame is equipped with the feed inlet, and the top of screen frame is equipped with the sieve lid, and the inside head end of screen frame is equipped with a plurality of screen cloth straining device of group respectively, and a plurality of screen cloth straining device of group be the three -layer at least, is equipped with the discharge gate bottom plate on the corresponding position of the inside end of screen frame and screen cloth straining device, and the tip of discharge gate bottom plate is equipped with the L type support of inversion, the bottom of the L type support of inversion is equipped with first sealing ring couple, installs the screen cloth between the L type support of screen cloth straining device and inversion, the bottom of screen cloth is equipped with a plurality of and supports tubular beams, the screening efficiency height has, and it is sealed effectual, maintain simply and the reliable advantage of operation.