Production of long -term nitrogenous fertilizer is with extruder grain machine

The utility model relates to a chemical fertilizer production facility, a production of long -term nitrogenous fertilizer is with extruder grain machine specifically says so. Including the casing, install the drive roll in the casing inner chamber, first driven voller, second driven voller, third driven voller, the drive roll passes through drive mechanism to be connected with the driving motor transmission, the upper end of casing is provided with the feed inlet, the lower end of the stocker is provided with a discharging cylinder, the drive roll, first driven voller, the second driven voller, the third driven voller is all rotatably installed through the pivot of level setting, each driven voller all with drive roll clearance fit, each driven voller top -down arranges in proper order, drive roll and first driven voller are that the surface is for the plain roller of smooth cylindrical face, the surface of second driven voller has the strip connected in star that the axial distributes, the surface of third d