Generally, the cleaning air trunk line is composed of four parts: bag sorting machine, bag washing machine, vibration water drain machine and air dryer. It can select the function required by customers, with high flexibility and strong automation. The cleaning air trunk line is suitable for the water removal after sterilization of soft packaging products such as high and low temperature meat products and vegetable products, and also for the removal of surface water after vegetable cleaning. The equipment is environmentally friendly and energy-saving.