It is used in the automatic boiled soymilk production line. The process is as follow: pumping the soaked beans to the grinding machine which has the water gauge and beans quantitative instrument to control the soymilk concentration, then the rotor pump will take the raw mixture to the continuous cooking machine which can control the cooking temperature automatically, then the extruding machine will separate the mixture to soymilk and residue, then the soymilk will be filtered by roller screen and used to make soybean food, at last, the residue blowing machine will convey the residue to the residue warehouse.