... .4. Easy to understand . The bolted silo is equipped with relevant accessories, such as: conveyor, ventilation, drying and monitoring ... ,the pre-cleaner is featured with steady operation and good cleaning effect. The capacity range is 10-200t/h,it ... Natural ventilation vents,Suction Fan,Ventilation Blower,Ventilation channel with net sheets;Ventilation System includes Natural ventilation vents,Suction ...