Aug 08, 2020 · Collected material can be put back into the pellet mill to preheat the chicken poultry feed pellet mill. ②Start up. ③Input suitable amount of oily mixture into the mill. ④Continue to pour oily mixture in and let it run through pelletizing holes. ⑤Re-use the oily mixture in a recycling manner for 30-40 minutes. 8.Pelletizing.