The present utility model belongs to the technical field of extruders, and specifically relates to a twin-screw extruder for flame-retardant PBT, comprising a base. An extrusion barrel is fixedly installed at the top of the base, a feed pipe is fixedly installed at the top of the extrusion barrel, heaters are fixedly installed on the surfaces of both the extrusion barrel and the feed pipe, thermal insulation layers are arranged inside both the extrusion barrel and the feed pipe, and heating pipes are fixedly installed inside the thermal insulation layers. The arrangement of the base facilitates maintaining the stability of the device; the arrangement of the extrusion barrel facilitates the installation of the heater; the arrangement of the feed pipe facilitates conveying the raw materials in the feed hopper into the extrusion barrel; the arrangement of the heater facilitates supplying heat energy to the heating pipes; the arrangement of the thermal insulation layer can realize thermal insulation of the extrusion barrel, thereby reducing the surface temperature of the extrusion barrel, cutting energy loss and improving production efficiency; the arrangement of the heating pipes facilitates uniformly heating the raw materials to a molten state.
Country Code: CN
Application Number: CN202323153833.5
