Screw extrusion device suitable for processing edible mushroom cultivation base material and application of screw extrusion device

The invention discloses a screw extrusion device suitable for processing edible mushroom cultivation base stock, which comprises a feeding machine and a screw extruder, and the discharge port of the feeding machine is communicated with the feed port of the screw extruder; the feeding machine comprises a feeding motor, a feeding hopper and a feeding screw rod, the feeding hopper is arranged on the feeding screw rod, and a rotating shaft of the feeding motor is connected with the feeding screw rod; the screw extruder comprises a main motor, an extrusion screw, an extrusion die head, a sleeve and an extrusion area heating temperature control system, the main motor is used for driving the screw extruder, and a rotating shaft of the main motor is connected with the extrusion screw of the screw extruder; the extrusion die head is a built-in extrusion module, and the built-in extrusion module is installed on the extrusion screw rod and rotates along with the extrusion screw rod. According to the invention, the appli