Pipe-jacking construction sludge discharging system and pipe-jacking construction sludge discharging method

The invention provides a mud discharging system for pipe jacking construction, which is characterized in that a muddy water guiding and conveying mechanism is arranged in a jacking pipe and is positioned between a machine head and a working well, and a muddy water discharging mechanism is positioned in the jacking pipe, is arranged between the machine head and the muddy water guiding and conveying mechanism and is used for discharging muddy water generated in the jacking process of the machine head to the muddy water guiding and conveying mechanism; the muddy water transport vehicle is located in the jacking pipe and located between the muddy water guiding and conveying mechanism and the working well, the muddy water guiding and conveying mechanism and the muddy water transport vehicle are arranged in a matched mode and used for guiding and conveying muddy water to the muddy water transport vehicle, and the traction mechanism is installed in the working well, detachably connected with the muddy water transpor