2021 Volume 83 Issue 3 Pages 200-207
Green soybean, farmers have introduced color sorting machines to improve green soybean sorting work. This investigation assessed effects of cleaning in a sorting machine based on analysis of exhaust solenoid valve. Results show the V value, indicating smoke concentration, as 20.0-27.3 at 40-80 s. That value diminished with the passage of time, but showed little difference at each measuring point. Exhaust solenoid valves were cleaned inside of the sorting machine during 10 s at 0.6 MPa (2-6 times/s) and during 20 s at 0.4 MPa (5 times/s). The smoke concentration in exhaust decreased gradually for 120 s at 0.4 MPa (2 times/s). Results show that exhaust solenoid valves inside of sorting machines have sufficient performance.