Every coal pulverizer is designed with a particular fuel grinding capacity or throughput at a certain Hardgrove grindability index (HGI), based on a defined raw coal size, moisture content, and ...

As more and more power plants switch to low sulfur and higher moisture coals, grinding capacities are often reduced, forcing plant owners to implement various equipment upgrade projects or accept a ...

A coal fired power plant operating in the Western United States was experiencing short gearbox life in its coal pulverizing operation. An annual gearbox inspection and oil analysis results indicated ...