United Companies, an Oldcastle division that operates six hot-mix asphalt plants in Colorado, is forging new territory in plant efficiency by turning to an old, reliable fuel source — coal. Jim Bryan, ...

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 ...

Pulverizers prepare the raw fuel by grinding it to a desired fineness and mixing it with the just the right amount of air before sending the mixture to boiler burners for combustion. In Part I of this ...

Online coal and primary air flow measuring devices can be helpful to more precisely balance pipe-to-pipe coal and air flows. Some utility customers have adopted on-line primary air flow measurement on ...