The main machine of the feed machinery is mainly composed of feeding, stirring, granulating, transmission and lubrication systems. The working process is that the mixed powder with a moisture content of not more than 15% is required to enter the feeding auger from the hopper, and the appropriate material flow is obtained by adjusting the speed of the stepless speed regulating motor, and then enters the agitator, which is stirred with the steam by the stirring rod. Mix and temper.