The present invention discloses a helical rotor of high-concentration hydrapulper. Said helical rotor includes the following several portions: rotor core, helical blades, toothed blades and base plate. The upper portion of said rotor core is made into the form of circular cylinder and its tower portion is made into the form of cone, the bottom portion of said cone body is connected with the described base plate, the circular cylinder body portion of said rotor core is equipped with three helical blades, the toothed blades are placed on the base plate and connected with the helical blades respectively. Besides, said invention also provides the working principle of said hydrapulper and its operation method. |