Liquid recovery device

The utility model relates to the technical field of concentrated water recovery and discloses a liquid recovery device which comprises a liquid recovery box, the top of the liquid recovery box is connected with a box cover, the top of the box cover is communicated with a water inlet pipe, one side of the bottom of the liquid recovery box is communicated with a water outlet pipe, and a floating ball located on the lower side of the water inlet pipe is arranged on the inner side of the liquid recovery box. When the water level rises, the floating ball floats upwards, when the push block moves upwards, the sealing block and the connecting rod are pushed to slide upwards on the inner side of the fixing frame, when the water level in the liquid recycling box is about to be full, thrust of the floating ball pushes the sealing block to be plugged into the water inlet pipe, and the sealing block is prevented from falling off through the guide block; the water inlet pipe is sealed and blocked, so that the situation th