As we know grain silo is very common. Need the density of grain , then can calculate the silo volume arrcoding to customer’s request on silo capacity. Generally the silo including three parts: silo roof, silo body, silo bottom. In different design, engineer will add different system, such as ventilation system, precleaning system and dryer system, level indicator, temperature measurement, etc. Which depends on the customer’s actual needs and the local environment.