Butynediol recycling device in BDO production

The invention relates to the technical field of butynediol recycling and reusing, in particular to a butynediol recycling and reusing device in BDO production, which comprises a waste catalyst slurry tank, a waste catalyst slurry pump, a plate-and-frame filter press, a material receiving device and a fresh catalyst tank, the waste catalyst output end is connected with the input end of the plate-and-frame filter press, the first output end of the plate-and-frame filter press is connected with the fresh catalyst tank, and the second output end of the plate-and-frame filter press is connected with the material receiving device; the material receiving device comprises a movable bottom plate, a supporting table capable of moving up and down is arranged at the upper end of the bottom plate, and when the supporting table moves downwards to the bottom end, a bottom plate moving structure can be formed. A material receiving box is arranged at the upper end of the supporting table, a rotatable long cam is further arran