1. Top is columniform structure, and bottom is coniform structure. With covering small area and storing large capacity of lead oxide, it can realize lead oxide first in and out. It is equipped with vibrating discharging unit and rotary discharging valve, to make convenience for discharging control; 2. Lead oxide silo is fully sealed, and equipped with respirator and filter, to prevent lead oxide being burned; 3. It is equipped with high & lower level indicator, to judge the oxide storage amount; 4. Weighing device can be selected to make convenience for production.