The utility model discloses a feeding protection device of a twin-screw extruder for processing red phosphorus flame retardant powder, belonging to the technical field of red phosphorus flame retardant processing equipment, comprising a twin-screw extruder base. A feeding hopper is connected above the base, an annular opening and closing collar is arranged at the edge position above the feeding hopper, a magnetic attraction device is sleeved inside the opening and closing collar, a sleeve is arranged above the opening and closing collar, a flexible telescopic feeding cylinder bag is bonded and installed on the inner side surface of the sleeve, and an elastic cable tie is arranged at the opening position of the telescopic feeding cylinder bag. The feeding protection device is mainly used to prevent metal particles from mixing into the mixing, kneading and extrusion system of the twin-screw extruder, and improve the working safety, stability and service life of the twin-screw extruder.
Country Code: CN
Application Number: CN202322890124.9
