Design of Query System of Belt Conveyor Protection of Coal Preparation Plant Based on VB

Taking belt conveyor protection system of Daping Coal Preparation Plant as background, the paper introduced design of a query system of belt conveyor protection of coal preparation plant based on VB. It also introduced structure and access and operation of database of the system in details. The system realizes functions of inquiring, exporting and printing data of belt conveyor protection, which is helpful for safety production of coal preparation plant.