What is the purpose of a belt weighing machine in a coal processing plant?

The purpose of a belt weighing machine in a coal processing plant is to accurately measure the amount of coal being transported on a conveyor belt. This measurement is crucial for several reasons, including inventory management, production planning, and ensuring compliance with contractual obligations related to coal delivery. By knowing the precise weight of the coal delivered, operators can make informed decisions regarding processing, transportation, and sales.

The belt weighing machine typically consists of load cells that detect the weight of the coal as it moves along the conveyor. This real-time data helps to monitor the flow of materials, ensuring that operations are running efficiently and that the appropriate quantities are being handled.

In the context of the other options, breaking coal into smaller sizes is a function of crushers, transporting coal is the job of conveyor systems, and filtering out impurities is performed by washing or separation equipment. None of these options relate directly to the specific function of measuring coal delivery, which is the primary role of a belt weighing machine.