Waste recovery device for supply room

The utility model relates to a waste recovery device for a supply room, and aims to solve the problems that a collection barrel of an existing supply room recovery box is poor in sealing performance and stability, liquid waste is prone to being scattered on the ground in the moving process when the box is used for bearing the liquid waste, and pollution is caused. The device comprises a bearing box, a collecting barrel, moving wheels, a piston and a push rod. A clamping groove and a clamping block are arranged in the bearing box; a clamping groove and a clamping block are arranged on the collecting barrel; the collecting barrel can be inserted into the inner wall of the bearing box, and the stable effect in the moving process is achieved; and a lock catch mechanism matched with the barrel cover can enable the barrel cover and the barrel body to be connected more tightly, and the situation that liquid waste is prone to being scattered on the ground in the moving process of the box body when the box body is use