This standard specifies specific requirements for energy-saving operations such as process control of large port belt conveyor systems and their ancillary facilities. This standard is applicable to port belts where materials need to be transferred by 2 or more belt conveyors during the loading and unloading process of large dry bulk terminals, the cumulative total length of the conveyors is more than 1,000m, and the designed annual throughput reaches 10 million tons. conveyor system.