Mud water collecting system for collecting rock slag mixed mud water

The utility model relates to the field of vertical shaft construction, and provides a muddy water collecting system for collecting rock slag mixed muddy water, which is matched with a rock slag bin and comprises a reducing pipe, a first muddy water pipeline, a second muddy water pipeline, a compressed air assisted blowing pipeline and a muddy water collecting box, wherein the reducing pipe is obliquely arranged at the bottom of the rock slag bin, the tail end of the reducing pipe is connected with the first muddy water pipeline along the obliquely downward extending track of the reducing pipe, the tail end of the first muddy water pipeline is connected with the vertically downward second muddy water pipeline, and the tail end of the second muddy water pipeline is connected with the muddy water collecting box; meanwhile, the first muddy water pipeline and the second muddy water pipeline are connected with the compressed air blowing assisting pipelines respectively. The utility model has the advantages of simpl